73570730
Nov 27, 1985
Nov 4, 1986
CHEMICALS FOR USE IN INDUSTRY IN THE MANUFACTURE OF RESINS, MOLDING POWDERS, AND OTHER CHEMICAL PRODUCTS, PARTICULARLY PARAFORMALDEHYDE, [ PENTAERITHRITOL, SODIUM FORMATE, AND UREA-FORMALDEHYDE AND MELAMINE-FORMALDEHYDE MOULDING POWDERS ]
Chemicals