C - Chemistry – Metallurgy – 08 – L
Inventor
C - Chemistry, Metallurgy
08
L
Inventor
A ball-point pen
Acid cured filament of novolac and aliphatic polyamide resin
Curing phenolic filaments using acid and basic catalysts
Flame-resistant and antifusing novolac resin filament,...
Granular or powdery nitrogen-containing phenol- aldehyde...
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