MUSICAL THEORY SLIDE RULE FOR STRINGED INSTRUMENTS.,申请号EP19830903361-传众专利搜索

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发明名称	MUSICAL THEORY SLIDE RULE FOR STRINGED INSTRUMENTS.
摘要
申请公布号	EP0122276(A4)	申请公布日期	1987.03.03
申请号	EP19830903361	申请日期	1983.10.25
申请人	DUFFY, ANTHONY MICHAEL	发明人	DUFFY, ANTHONY MICHAEL
分类号	G09B15/02;G09B15/00;G10G1/00;G10G1/02;(IPC1-7):G09B15/02	主分类号	G09B15/02
代理机构		代理人
主权项
地址

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