Improvements in or relating to upright pianos,申请号GB19380036769-传众专利搜索

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发明名称	Improvements in or relating to upright pianos
摘要
申请公布号	GB522806(A)	申请公布日期	1940.06.27
申请号	GB19380036769	申请日期	1938.12.17
申请人	W. G. EAVESTAFF & SONS LIMITED;ROBERT PERCY BRASTED	发明人
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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