Method of and machine for winding flat spiral coils,申请号US19270224359-传众专利搜索

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发明名称	Method of and machine for winding flat spiral coils
摘要
申请公布号	US1832427(A)	申请公布日期	1931.11.17
申请号	US19270224359	申请日期	1927.10.06
申请人	ROLLER LOUIS H	发明人	ROLLER LOUIS H.
分类号	B21F3/00;H01F41/06;H02K15/04	主分类号	B21F3/00
代理机构		代理人
主权项
地址

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