Improved vacuum gauge,申请号GB19910007492-传众专利搜索

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发明名称	Improved vacuum gauge
摘要
申请公布号	GB2244856(B)	申请公布日期	1994.10.12
申请号	GB19910007492	申请日期	1991.04.09
申请人	* GRANVILLE-PHILLIPS COMPANY	发明人	DANIEL * BILLS
分类号	G01L21/30;H01J41/04;(IPC1-7):H01J41/04	主分类号	G01L21/30
代理机构		代理人
主权项
地址

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