Manufacture of harmonicas,申请号US19400320646-传众专利搜索

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发明名称	Manufacture of harmonicas
摘要
申请公布号	US2317425(A)	申请公布日期	1943.04.27
申请号	US19400320646	申请日期	1940.02.24
申请人	THE UNITED STATES HARMONICA CORPORATION	发明人	WETZLER CHARLES E.;BOEHM PAUL F.
分类号	B21D53/82;G10D7/12	主分类号	B21D53/82
代理机构		代理人
主权项
地址

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