Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
Inventor
active
Epoxy resin, epoxy resin composition and hardened product thereo
Epoxy resins, epoxy resin mixtures, epoxy resin compositions...
Flame-retardant epoxy resin composition and cured product...
Modified epoxy resin, epoxy resin composition and cured product
Naphthalene ring-containing resins, resin compositions and cured
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