71643443
Mar 10, 1953
Jun 22, 1954
PIPING FOR STEAM AND WATER, TUBES FOR CENTRAL HEATING LINES AND FOR AIR CONDUITS; GAS AND STEAM PRESSURE REGULATORS; FLUID VALVES; STEAM VALVES; HIGH-PRESSURE PIPE LINES; METALLIC FITTINGS FOR STEAM, GAS, AND WATER, INCLUDING ELBOWS AND FLANGES OF SUCH FITTINGS
Firearms