Improvements in pirani pressure gauges,申请号GB19400008106-传众专利搜索

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发明名称	Improvements in pirani pressure gauges
摘要
申请公布号	GB539565(A)	申请公布日期	1941.09.16
申请号	GB19400008106	申请日期	1940.05.06
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;DAVID HENRY DONALDSON	发明人
分类号	G01L21/00;G01L21/12	主分类号	G01L21/00
代理机构		代理人
主权项
地址

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