71411489
Oct 11, 1938
Feb 21, 1939
Active Trademark
CHEMICAL COMPOUND HAVING THE PROPERTY OF PREVENTING THE PRECIPITATION OF CALCIUM AND MAGNESIUM CARBONATE AS ADHERENT SCALE IN PIPE LINES AND FILTER BEDS THROUGH WHICH HARD WATERS ARE PASSED, WHEN ADDED TO THE WATER IN MINUTE AMOUNTS RECKONED IN PARTS PER MILLION
Metal Goods