72450686
Mar 7, 1973
Jan 21, 1975
CHEMICAL COMPOSITIONS HAVING ACTIVE COMPONENTS OF A NON-DETERGENT NATURE FOR REMOVING AND PREVENTING SCALE, RUST FORMATIONS, AND OTHER CORROSION IN WATER SYSTEMS, BOILERS, STEAM LINES, CONDENSERS, PASTEURIZERS AND OTHER FLUID HANDLING AND HEAT TRANSFER SYSTEMS; AND COMPOSITIONS FOR DESTROYING AND PREVENTING ALGAE GROWTH IN WATER CIRCULATING AND COOLING SYSTEMS
Metal GoodsCHEMICAL COMPOSITIONS FOR CLEANSING AND CONDITIONING FLUID HANDLING AND HEAT TRANSFER SYSTEMS AND OTHER SURFACES
Musical Instruments