Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Aliphatic polyester polyether copolymer, process for...
Biodegradable label for in-mold forming and biodegradable...
Liquid crystalline polyesters and methods for their production
Liquid crystalline polyesters and methods for their production
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