72233276
Nov 24, 1965
Sep 13, 1966
CHEMICAL FORMULATIONS OR COMPOUNDS INTENDED TO PROMOTE THE REMOVAL OF SOLID MATTER FROM WATER IN CLARIFICATION, SETTLING OR FILTRATION OPERATIONS
Metal GoodsCOMPOUNDS FOR THE ERADICATING AND REMOVING OF RUST, SCALE, CARBON DEPOSIT, CORROSION, SLUDGE FORMATION, ALGAE AND SLIME FORMATION, DISCOLORATION, AND CONGESTION IN WATER-WASH PAINT-SPRAY BOOTHS, AND DUST AND FUME COLLECTORS
Metal Goods