Time-controlled electric switch,申请号US19280322619-传众专利搜索

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发明名称	Time-controlled electric switch
摘要
申请公布号	US1902570(A)	申请公布日期	1933.03.21
申请号	US19280322619	申请日期	1928.11.30
申请人	LANDIS & GYR, A.-G.	发明人	METTLER JOSEF
分类号	G04C23/24	主分类号	G04C23/24
代理机构		代理人
主权项
地址

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