72361666
Jun 4, 1970
Jun 6, 1972
CHEMICAL COMPOSITIONS FOR THE ELIMINATION, CONTROL AND/OR PREVENTION OF SCALE AND CORROSION CAUSED FROM HARD OR SOFT WATER IN POTABLE WATER SYSTEM, HOT WATER HEATING AND CHILLED WATER SYSTEMS, COOLING WATER SYSTEMS, HOT WATER BOILERS, STEAM BOILERS, STEAM GENERATORS, BRINE TANKS, AND THE LIKE
Metal Goods