Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
active
Aluminum-base composite bearing material and method of...
Binder composition for foundry sand containing zinc carbonate di
Lubricant
Method of preparing resin coated foundry sand using unsaturated
Resin coated foundry sand using crystalline unsaturated polyeste
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