Reversible front panel for pianos and the like,申请号US19400343676-传众专利搜索

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发明名称	Reversible front panel for pianos and the like
摘要
申请公布号	US2249978(A)	申请公布日期	1941.07.22
申请号	US19400343676	申请日期	1940.07.03
申请人	THE RUDOLPH WURLITZER COMPANY	发明人	PFAFF JOHN
分类号	G10C3/02	主分类号	G10C3/02
代理机构		代理人
主权项
地址

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