Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
Inventor
active
Cementing composition and application thereof to cementing...
Composition, for use in coatings, based on a mixture of...
Composition, for use in coatings, based on a mixture of...
Composition, for use in paint, based on a mixture of emulsion(s)
Composition, for use in paint, based on a mixture of emulsion(s)
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