Improvements in or relating to pressure or vacuum gauges,申请号GB19450004401-传众专利搜索

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发明名称	Improvements in or relating to pressure or vacuum gauges
摘要
申请公布号	GB588484(A)	申请公布日期	1947.05.22
申请号	GB19450004401	申请日期	1945.02.21
申请人	CHARLES ROBERT ARCHIBALD GRANT	发明人
分类号	G01L7/04	主分类号	G01L7/04
代理机构		代理人
主权项
地址

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