Improvements in or relating to position indicators,申请号GB19480016775-传众专利搜索

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发明名称	Improvements in or relating to position indicators
摘要
申请公布号	GB639370(A)	申请公布日期	1950.06.28
申请号	GB19480016775	申请日期	1948.06.22
申请人	EVERSHED & VIGNOLES LIMITED;WILLIAM THOMAS MARCHMENT	发明人
分类号	G01L9/00;G01R17/08	主分类号	G01L9/00
代理机构		代理人
主权项
地址

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