B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/140, 18/908
B32B 27/00 (2006.01) E04C 2/20 (2006.01)
Patent
CA 1053420
Abstract of the Disclosure Weather-resistant construction board consisting of a) a basic layer of impact-resistant polystyrene or ABS b) an elastic intermediate layer made of polyurethene, polyester, polystyrene-butadiene copolymers, soft poly- vinyl chloride or ethylene-propylene terpolymer rubber, and c) a weather-resistant covering layer of a polyacrylate.
227122
Backhoff Werner
Scheurlen Hans
Aktiengesellschaft Bayer
Na
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