Device for turning the pages of music,申请号US19510216564-传众专利搜索

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法人/股东/高管

发明名称	Device for turning the pages of music
摘要
申请公布号	US2666353(A)	申请公布日期	1954.01.19
申请号	US19510216564	申请日期	1951.03.20
申请人	RICHARD GRAVES	发明人	GRAVES RICHARD
分类号	B42D9/08	主分类号	B42D9/08
代理机构		代理人
主权项
地址

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