Sound record and method of making the same,申请号US19290334610-传众专利搜索

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发明名称	Sound record and method of making the same
摘要
申请公布号	US1847860(A)	申请公布日期	1932.03.01
申请号	US19290334610	申请日期	1929.01.23
申请人	BEST FRANK M	发明人	BEST FRANK M.
分类号	C09D5/23;G11B5/70	主分类号	C09D5/23
代理机构		代理人
主权项
地址

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