Valve for gas pilot lights,申请号US19330681938-传众专利搜索

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发明名称	Valve for gas pilot lights
摘要
申请公布号	US1980052(A)	申请公布日期	1934.11.06
申请号	US19330681938	申请日期	1933.07.24
申请人	THE UNITED GAS IMPROVEMENT COMPANY	发明人	HALL EDWIN L.;BRADY ADELE S.
分类号	F23Q9/00	主分类号	F23Q9/00
代理机构		代理人
主权项
地址

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