Vacuum system leak detector,申请号US19460698333-传众专利搜索

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发明名称	Vacuum system leak detector
摘要
申请公布号	US2600891(A)	申请公布日期	1952.06.17
申请号	US19460698333	申请日期	1946.09.20
申请人	MACNEILLE STEPHEN M	发明人	MACNEILLE STEPHEN M.
分类号	G01L19/12;G01L21/12;G01M3/00;G01M3/16;G01M3/20	主分类号	G01L19/12
代理机构		代理人
主权项
地址

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