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1.Microbalance including crystal oscillators for measuring contaminates in a gas system 失效
Title translation: 包括用于测量气体系统中的污染物的晶体振荡器的微观公开(公告)号:US3534585A
公开(公告)日:1970-10-20
申请号:US3534585D
申请日:1967-12-07
Applicant: WEBB JAMES E , NASA
Inventor: STEPHENS JAMES B
CPC classification number: G01N29/036 , G01G3/13 , G01N2291/0256
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公开(公告)号:US3443390A
公开(公告)日:1969-05-13
申请号:US3443390D
申请日:1967-10-05
Applicant: NASA , WEBB JAMES E
Inventor: STEPHENS JAMES B
CPC classification number: B64G7/00
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