Potentiometer,申请号US19540459890-传众专利搜索

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发明名称	Potentiometer
摘要
申请公布号	US2863972(A)	申请公布日期	1958.12.09
申请号	US19540459890	申请日期	1954.10.04
申请人	BECKMAN INSTRUMENTS, INC.	发明人	BARTON DEAN M.
分类号	H01C10/20;H01C10/32	主分类号	H01C10/20
代理机构		代理人
主权项
地址

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