BALL-TYPE VACUUM VALVE FOR LEAK DETECTION APPARATUS,申请号EP19850306134-传众专利搜索

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发明名称	BALL-TYPE VACUUM VALVE FOR LEAK DETECTION APPARATUS
摘要
申请公布号	EP0173571(A3)	申请公布日期	1987.12.02
申请号	EP19850306134	申请日期	1985.08.29
申请人	VARIAN ASSOCIATES, INC.	发明人	FRUZZETTI, PAUL R.
分类号	F16K15/18;F16K1/14;F16K51/02;G01M3/20;(IPC1-7):F17D5/02	主分类号	F16K15/18
代理机构		代理人
主权项
地址

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