Historical
ANSI Z21.15-1997/CGA 9.1-M97
Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves
manually operated gas valves appliances manual appliance connector hose end hoseend
CSA America, Inc. [csa]
manually operated gas valves appliances manual appliance connector hose end hoseend