Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
Inventor
active
Biphenyl additive for improvement in urethane foundry binders
Biphenyl additive for improvement in urethane foundry binders
Biphenyl additive for improvement in urethane foundry binders
Bound multi-component sand additive
Bound multi-component sand additive
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