Adjustable mouthpiece for wind musical instruments,申请号US19380200631-传众专利搜索

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发明名称	Adjustable mouthpiece for wind musical instruments
摘要
申请公布号	US2175191(A)	申请公布日期	1939.10.10
申请号	US19380200631	申请日期	1938.04.07
申请人	GOYETTE DAVID R	发明人	GOYETTE DAVID R.
分类号	G10D9/02	主分类号	G10D9/02
代理机构		代理人
主权项
地址

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