Check valve cartridges with controlled pressure sealing,申请号US19890363217-传众专利搜索

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发明名称	Check valve cartridges with controlled pressure sealing
摘要
申请公布号	US4974628(A)	申请公布日期	1990.12.04
申请号	US19890363217	申请日期	1989.06.08
申请人	BECKMAN INSTRUMENTS, INC.	发明人	TEPERMEISTER, GARY;CARTER, ALAN
分类号	G01N30/32;F04B53/10;F16K15/04;F16K27/02;G09F3/16;G09F7/18	主分类号	G01N30/32
代理机构		代理人
主权项
地址

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