B43L 21 - Blackboard or slate-cleaning devices

Patents for B43L 21 - Blackboard or slate-cleaning devices (5,409)
10/2011
10/19/2011	CN202011270U Convenient self-cleaning blackboard
10/19/2011	CN202011269U 黑板 Blackboard
10/19/2011	CN202011268U Solar dust-absorbing blackboard
10/19/2011	CN202011267U Novel movable dust absorption blackboard
10/19/2011	CN202011266U Convenient and clean blackboard
10/19/2011	CN102218958A Blackboard eraser with dust collector
10/12/2011	CN202006685U Dust absorption blackboard eraser
10/12/2011	CN202006684U Self erasing and suction type blackboard eraser
10/12/2011	CN202006683U Dustless blackboard eraser
10/12/2011	CN202006682U Blackboard eraser
10/12/2011	CN202006681U Chalk blackboard eraser integrator
10/12/2011	CN202006680U Automatic blackboard eraser
10/12/2011	CN202006678U Four-line three-grid drawing device with delete brushes
10/05/2011	CN201998709U Quick blackboard eraser
10/05/2011	CN201998708U Novel motor-driven blackboard eraser
10/05/2011	CN201998707U Electric dust-removing blackboard eraser
10/05/2011	CN201998706U Automatic dust collection black board eraser
10/05/2011	CN201998705U Blackboard eraser
10/05/2011	CN201998704U Spraying and dust removing device for blackboard
10/05/2011	CN201998703U Electrostatic dust absorption blackboard eraser
10/05/2011	CN201998702U Improved blackboard eraser
10/05/2011	CN201998701U Dust-sucking blackboard eraser
10/05/2011	CN201998700U Magnetic eraser for board
10/05/2011	CN201998699U Safe blackboard eraser
10/05/2011	CN201998698U Shovel for cleaning chalk powder
10/05/2011	CN201998697U Multifunctional chalk eraser
10/05/2011	CN201998696U Automatic blackboard eraser
10/05/2011	CN201998671U Blackboard with rolling blackboard eraser
10/05/2011	CN201998669U Blackboard for English teaching
10/05/2011	CN201998668U Environmentally-friendly blackboard
10/05/2011	CN201998667U Novel environmental protection and energy saving blackboard
09/2011
09/28/2011	CN201989530U 粉笔灰清理装置 Chalk cleaning device
09/28/2011	CN201989529U 一种黑板擦 One kind of eraser
09/28/2011	CN201989528U 一种便携式吸尘黑板擦 A portable vacuum eraser
09/28/2011	CN201989527U 便捷式吸尘黑板擦 Portable vacuum eraser
09/28/2011	CN201989526U 电动吸尘黑板擦 Electric vacuum eraser
09/28/2011	CN201989525U 多功能环保型黑板擦拭机构 Multifunction environmentally friendly blackboard wiper mechanism
09/28/2011	CN201989524U 带计算器的黑板擦 Wipe the blackboard with calculator
09/28/2011	CN201989523U 多功能黑板擦 Multifunction eraser
09/28/2011	CN201989492U 带自动擦刷的黑板 Blackboard with automatic brushing
09/28/2011	CN201989491U 黑板擦拭装置 Blackboard wiping device
09/28/2011	CN201989490U 黑板 Blackboard
09/21/2011	CN201979970U 黑板擦清洁器 Eraser cleaner
09/21/2011	CN201979969U 一种教学设备清洁装置 An apparatus for cleaning means teaching
09/21/2011	CN201979968U 一种便携黑板擦 A portable eraser
09/21/2011	CN201979967U 一种防尘黑板擦 One kind of eraser dust
09/21/2011	CN201979966U 无尘电动黑板擦 Clean electric eraser
09/21/2011	CN201979965U 一种防尘黑板擦 One kind of eraser dust
09/21/2011	CN201979964U 一种除尘黑板擦 One kind of eraser dust
09/21/2011	CN201979963U 黑板擦 Eraser
09/21/2011	CN201979962U 自洁喷水射流黑板擦 Self-cleaning water jet eraser
09/21/2011	CN201979961U 黑白板双用板擦 Black and white board eraser dual-use
09/21/2011	CN102189877A Multifunctional blackboard eraser
09/14/2011	CN201970740U 一种挂式黑板擦 One kind of hanging eraser
09/14/2011	CN201970739U 卫生黑板擦 Health eraser
09/14/2011	CN201970738U 自动吸粉尘灰式黑板擦 Automatic suction dust gray type eraser
09/14/2011	CN201970737U 黑板吸尘系统 Blackboard Vacuum System
09/14/2011	CN201970736U 粉笔吸尘擦 Chalk dust wipe
09/14/2011	CN201970735U 新型带手柄黑板擦 The new eraser with handle
09/14/2011	CN201970734U 一种黑板擦 One kind of eraser
09/14/2011	CN201970733U 自动冲洗黑板加水装置 Automatic flushing device blackboard with water
09/14/2011	CN201970691U 一种教学写字布 Kind of teaching writing cloth
09/14/2011	CN201970690U 一种免擦不反光黑板 A no-rub is not reflective blackboard
09/14/2011	CN201970688U 一种可转动版面的黑板 One kind rotatable blackboard forum
09/14/2011	CN201970687U 一种黑板 One kind of blackboard
09/07/2011	CN201961054U 多功能黑板擦 Multifunction eraser
09/07/2011	CN201961053U 全方位吸尘黑板擦 A full range of vacuum eraser
09/07/2011	CN201961052U 除粉尘黑板擦 In addition to dust eraser
09/07/2011	CN201961051U 无尘黑板擦 Clean eraser
09/07/2011	CN201961050U 双滚筒自动黑板擦 Double drum automatic eraser
09/07/2011	CN201961049U 一种黑板擦 One kind of eraser
09/07/2011	CN201961048U 吸灰黑板擦 Suction gray eraser
09/07/2011	CN201961047U 一种自动除尘板擦 An automatic dust eraser
09/07/2011	CN201961046U 一种防尘黑板擦 One kind of eraser dust
09/07/2011	CN201961045U 吸尘黑板擦 Vacuum eraser
09/07/2011	CN201961044U 吸尘黑板擦 Vacuum eraser
09/07/2011	CN201961043U 一种黑板擦 One kind of eraser
09/07/2011	CN201961042U 无尘清洁黑板擦 Clean clean eraser
09/07/2011	CN201961041U 一种带小型吸尘功能的黑板擦 A blackboard with a small vacuum function rub
09/07/2011	CN201961040U 多功能黑板刷 Multifunction blackboard brush
09/07/2011	CN201961039U 新型板擦 The new eraser
09/07/2011	CN201961038U 一种带伸缩杆的黑板擦 A blackboard with telescopic rod rub
09/07/2011	CN201961037U 手杆转动式黑板擦系统 Hand lever rotary eraser system
09/07/2011	CN201961036U 四面体黑板擦 Tetrahedron eraser
09/07/2011	CN201961035U 可以喷水的黑板擦 You can spray the eraser
09/07/2011	CN201960982U 自动清除笔迹的黑板 Automatically clear handwriting blackboard
08/2011
08/31/2011	CN201951118U 可伸缩黑板擦 Scalable eraser
08/31/2011	CN201951117U 黑板擦 Eraser
08/31/2011	CN201951116U 防尘黑板擦 Dust eraser
08/31/2011	CN201951115U 一种袋状毛巾布粉笔擦 One kind of baggy cloth towel to wipe chalk
08/31/2011	CN201951114U 一种黑板擦 One kind of eraser
08/31/2011	CN201951113U 一种带吸尘器的黑板擦 A blackboard with a vacuum cleaner rub
08/31/2011	CN201951112U 可拆卸黑板擦 Removable eraser
08/31/2011	CN201951111U 一种带凸面镜的毡、毛黑板擦 A convex mirror with felt, wool eraser
08/31/2011	CN201951110U 自动擦黑板机 Automatic effaceurs machine
08/31/2011	CN201951070U 一种黑板 One kind of blackboard
08/31/2011	CN201951067U 一种方便清洁的黑板 A convenient clean blackboard
08/31/2011	CN201951066U 两侧转动卫生黑板 Both sides of the rotation Health blackboard
08/31/2011	CN201951065U 具有黑板擦的黑板 With a blackboard eraser
08/31/2011	CN201951064U 自动擦拭黑板 Automatic wiping the blackboard

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