LIQUAMATTE
BLASTING MACHINES AND CABINETS AND PARTS THEREOF-NAMELY, AIR BLASTING MACHINES, SAND BLASTING MACHINES, VAPOR BLASTING MACHINES, AND MOISTURE BLASTING MACHINES, WHEREIN THE AIR, VAPOR, MOISTURE, SAND AND OTHER PARTICULATE SUBSTANCES ARE DISCHARGED AT HIGH VELOCITY ONTO SURFACES FOR CLEANING AND BLASTING
Expired · July 25, 1952 · 71633029 ·
