73128863
Jun 2, 1977
Mar 7, 1978
ENZYME PREPARATIONS FOR THE BIOLOGICAL DECOMPOSITION OF EFFLUENT FROM FOOD PROCESSING PLANTS, ABATTOIRS, AND GENERAL ORGANIC WASTES, WASTE MATTER IN GREASE TRAPS, DRAIN LINES, DISTRIBUTING CHAMBERS, DRAIN FIELDS, CESSPOOLS, SANITARY UNITS AND SEWAGE TREATMENT PLANTS
Chemicals