71250101
Jun 6, 1927
Apr 10, 1928
[ VALVES, TANK CONNECTIONS, WATERSEALS, REGULATOR AND GENERATOR CLAMPS, HOSE CLAMPS, HOSE CONNECTIONS, REGULATOR AND CYLINDER MANIFOLDS, HOSE UNIONS, ] AIR, OXYGEN, ACETYLENE, HYDROGEN, AND OTHER GAS PRESSURE REGULATORS
Firearms