Automatic shut-off for meters,申请号US19330683313-传众专利搜索

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发明名称	Automatic shut-off for meters
摘要
申请公布号	US2107441(A)	申请公布日期	1938.02.08
申请号	US19330683313	申请日期	1933.08.02
申请人	RALPH N. BRODIE COMPANY	发明人	GRANBERG ALBERT J.
分类号	G06M3/02	主分类号	G06M3/02
代理机构		代理人
主权项
地址

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