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
Apparatus for processing high viscosity materials
Method and device for producing polyesters, copolyesters and...
Method and device for the continuous production of polyesters
Method for producing polycarbonates
Method for producing polyesters and a disk ring reactor for...
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