Construction perfectionnée de piano,申请号FRD673585-传众专利搜索

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发明名称	Construction perfectionnée de piano
摘要
申请公布号	FR673585(A)	申请公布日期	1930.01.16
申请号	FRD673585	申请日期	1929.04.19
申请人		发明人	PALEY HERMAN
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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