Testing device for coil-winding machines,申请号US19240747717-传众专利搜索

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发明名称	Testing device for coil-winding machines
摘要
申请公布号	US1789358(A)	申请公布日期	1931.01.20
申请号	US19240747717	申请日期	1924.11.04
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	FRANKS CLEM H.
分类号	H01F41/06	主分类号	H01F41/06
代理机构		代理人
主权项
地址

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