73524120
Feb 22, 1985
May 13, 1986
SECURITY APPARATUS FOR STEEL CISTERNS, CONTAINERS AND BOTTLES-NAMELY, SAFETY VALVES, SHUT-OFF VALVES, PRESSURE GAGE CONTROLS, CHECK VALVES, FIRE BREAKS, CONTROL GAGES, LEVEL GAGE INDICATORS, SECURITY VALVES AND OUTLET VALVES
Electrical and Scientific Apparatus