Cast piano plate,申请号US19460665436-传众专利搜索

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法人/股东/高管

发明名称	Cast piano plate
摘要
申请公布号	US2532070(A)	申请公布日期	1950.11.28
申请号	US19460665436	申请日期	1946.04.27
申请人	ALUMINUM COMPANY OF AMERICA	发明人	MOORE GEORGE L.;SICHA WALTER E.;WREGE ROBERT B.
分类号	G10C3/04	主分类号	G10C3/04
代理机构		代理人
主权项
地址

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