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
Black liquid colorant and polyester fibers dope-dyed therewith
Coating treatment apparatus and coating treatment method
Colorants, polyester fibers mass-colored therewith and process f
Warp-knitting fabric exhibiting interference color tone
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