Patents for B29K 409 - Use of rubber derived from conjugated dienes, as filler (5)
04/2014
04/01/2014US8685524 Polylactic acid-based resin sheet
02/2012
02/01/2012CN101592742B 一种气象气球及其生产方法 One kind of weather balloon and its production method
05/2011
05/18/2011CN101526630B Meteorologic balloon and production method thereof
05/2010
05/19/2010CN101096129B Method for manufacturing polystyrene torsion film
01/2008
01/02/2008CN101096129A Method for manufacturing polystyrene torsion film