Octave valve control mechanism for saxophones,申请号GB19470025978-传众专利搜索

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发明名称	Octave valve control mechanism for saxophones
摘要
申请公布号	GB634348(A)	申请公布日期	1950.03.15
申请号	GB19470025978	申请日期	1947.09.24
申请人	THE MARTIN BAND INSTRUMENT COMPANY	发明人
分类号	G10D7/08	主分类号	G10D7/08
代理机构		代理人
主权项
地址

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