Rack for disk gramophone records,申请号US19300505562-传众专利搜索

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发明名称	Rack for disk gramophone records
摘要
申请公布号	US1914564(A)	申请公布日期	1933.06.20
申请号	US19300505562	申请日期	1930.12.30
申请人	RENE GRANDJEAN	发明人	GRANDJEAN RENE
分类号	G11B23/03;G11B33/04	主分类号	G11B23/03
代理机构		代理人
主权项
地址

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