Spark plug testing device,申请号US19370151352-传众专利搜索

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发明名称	Spark plug testing device
摘要
申请公布号	US2119634(A)	申请公布日期	1938.06.07
申请号	US19370151352	申请日期	1937.07.01
申请人	CHARLES FERREL;COLLING JOSEPH G	发明人	FERREL CHARLES;COLLING JOSEPH G.
分类号	H01T13/58	主分类号	H01T13/58
代理机构		代理人
主权项
地址

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