Perfectionnements aux pianos droits miniatures,申请号FRD780403-传众专利搜索

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发明名称	Perfectionnements aux pianos droits miniatures
摘要
申请公布号	FR780403(A)	申请公布日期	1935.04.26
申请号	FRD780403	申请日期	1934.10.27
申请人	BRASTED BROTHERS LIMITED	发明人	BRASTED
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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