Keyboard,申请号US19640356876-传众专利搜索

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发明名称	Keyboard
摘要
申请公布号	US3200689(A)	申请公布日期	1965.08.17
申请号	US19640356876	申请日期	1964.04.02
申请人	ROSBERGER PAUL S	发明人	ROSBERGER PAUL S.
分类号	G10C3/12	主分类号	G10C3/12
代理机构		代理人
主权项
地址

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