RUSTOSCALE
PREPARATION FOR THE TREATMENT OF WATER USED IN BOILERS FOR POWER PLANTS, HEATING SYSTEMS, AND HOT WATER SUPPLY BOILERS AND HEATING UNITS AND DESIGNED TO ELIMINATE SCALE, RUST, CONGESTION, CORROSION AND PITTING IN BOILERS, TANKS AND SYSTEMS
Expired · October 26, 1934 · 71357523 ·
