Improvements in or relating to upright pianofortes,申请号GB19370003470-传众专利搜索

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发明名称	Improvements in or relating to upright pianofortes
摘要
申请公布号	GB489951(A)	申请公布日期	1938.08.05
申请号	GB19370003470	申请日期	1937.02.05
申请人	CHAS. H. CHALLEN & SON LIMITED;WILLIE EVANS	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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