Electric device for distant indication,申请号US19410382037-传众专利搜索

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发明名称	Electric device for distant indication
摘要
申请公布号	US2316987(A)	申请公布日期	1943.04.20
申请号	US19410382037	申请日期	1941.03.06
申请人	HENRI PITTET	发明人	PITTET HENRI
分类号	G08C19/42	主分类号	G08C19/42
代理机构		代理人
主权项
地址

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