Hammer action for musical instruments,申请号US19480056532-传众专利搜索

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发明名称	Hammer action for musical instruments
摘要
申请公布号	US2641153(A)	申请公布日期	1953.06.09
申请号	US19480056532	申请日期	1948.10.26
申请人	JAYMAR SPECIALTY COMPANY	发明人	ENOCHS JEROME D.;BROWN ROY M.
分类号	G10C3/22	主分类号	G10C3/22
代理机构		代理人
主权项
地址

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