Three-insulator high tension switch,申请号US19290378849-传众专利搜索

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发明名称	Three-insulator high tension switch
摘要
申请公布号	US1957814(A)	申请公布日期	1934.05.08
申请号	US19290378849	申请日期	1929.07.17
申请人	ANDERSON ERNEST E	发明人	ANDERSON ERNEST E.
分类号	H01H1/58;H01H31/28;H01H33/02	主分类号	H01H1/58
代理机构		代理人
主权项
地址

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