73078530
Feb 25, 1976
Jan 10, 1978
RESIN COATED SAND FOR FOUNDRY CORES AND MOULDS; SYNTHETIC RESINS FOR USE IN THE FOUNDRY INDUSTRY; SYNTHETIC RESINS FOR USE IN THE MANUFACTURE OF INSULATION, ADHESIVES AND BONDING AGENTS; ACCELERATORS AND CATALYSTS FOR USE WITH SUCH RESINS; AND PARTING FLUID AND CORE BINDERS FOR USE IN THE PREPARATION AND TREATMENT OF CORES AND MOULDS IN THE FOUNDRY INDUSTRY
Chemicals