Improvements in or relating to variable resistors,申请号GB19480006904-传众专利搜索

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发明名称	Improvements in or relating to variable resistors
摘要
申请公布号	GB645898(A)	申请公布日期	1950.11.08
申请号	GB19480006904	申请日期	1948.03.05
申请人	THE MINISTER OF SUPPLY	发明人	GRAY ROBERT
分类号	H01C10/40	主分类号	H01C10/40
代理机构		代理人
主权项
地址

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