Valve for musical instruments,申请号US19550500569-传众专利搜索

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发明名称	Valve for musical instruments
摘要
申请公布号	US2798401(A)	申请公布日期	1957.07.09
申请号	US19550500569	申请日期	1955.04.11
申请人	ANDERSON SILVER PLATING CO.	发明人	MILLER LOUIS R.
分类号	G10D9/04	主分类号	G10D9/04
代理机构		代理人
主权项
地址

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