WRIKORG-C-
CHEMICAL COMPOSITION FOR PREVENTION OF SCALE FORMATION IN CANE SUGAR MILL AND OTHER EVAPORATORS, FOR PREVENTION OF SILICA AND SILICATE SCALE DEPOSITION, FOR TREATMENT OF COOLING SYSTEMS WHERE MINERAL CONCENTRATION IS HIGH, AND FOR CONDITIONING HIGHLY MINERALIZED DOMESTIC WATER SYSTEMS
Expired · September 22, 1949 · 71585206 ·