Patents for B28B 15 - General arrangement or layout of plant (1,303)
06/1976
06/08/1976US3961874 Sound insulated block molding machine
05/1976
05/25/1976US3958320 Methods for the manufacture of prefabricated building sections or room units and factories for the implementation of such methods
03/1976
03/30/1976US3947171 Apparatus for producing precast concrete members
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