“MAKER:OSAKA BOILER MFG. CO. LTD
TYPE:OVS2” AUXILIARY RELAY，DrwNo:3085468-00A OSAKA BOILER MFG. CO. LTD.OVS2.1BY
“MAKER:OSAKA BOILER MFG. CO. LTD
TYPE:OVS2” AUX RELAY (MY2N)，DrwNo:3092366-00A OSAKA BOILER MFG. CO. LTD.OVS2.1