71649469
Jun 29, 1953
Feb 1, 1955
CYLINDER CONNECTIONS, VALVES FOR USE WITH HEATING APPARATUS INCLUDING: CYLINDER VALVES, NEEDLE VALVES, TANK VALVES, AND MANIFOLD VALVES; GAS PRESSURE REGULATORS FOR USE WITH HEATING APPARATUS INCLUDING: HIGH PRESSURE REGULATORS, LOW PRESSURE REGULATORS, MULTISTATE REGULATORS, AND MASTER REGULATORS
Firearms