Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Cyclic phosphorous acid esters
Method of producing polyamide foils
Phosphorous acid esters and their use for stabilizing polyamides
Preparation of basic triarylmethane dyestuffs
Preparation of cationic triarylmethane dyestuffs
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