Improvements in and relating to measuring devices provided with graduated adjustable resistors,申请号GB19460022320-传众专利搜索

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发明名称	Improvements in and relating to measuring devices provided with graduated adjustable resistors
摘要
申请公布号	GB631239(A)	申请公布日期	1949.10.31
申请号	GB19460022320	申请日期	1946.07.26
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G01R1/30;H01C10/32	主分类号	G01R1/30
代理机构		代理人
主权项
地址

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