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1.发明授权
公开(公告)号：US3415626A
公开(公告)日：1968-12-10
申请号：US37879764
申请日：1964-06-29
Applicant: STAMICARBON
Inventor： HANSSEN WILHELM J
CPC classification number: G01N27/185 , G01N27/16 , Y10T436/207497 , Y10T436/25875
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2.发明授权Device for detecting variations in the oxygen content of gases containing small amounts of oxygen 失效用于检测含有少量氧气的气体的氧含量变化的装置
公开(公告)号：US3398358A
公开(公告)日：1968-08-20
申请号：US40571864
申请日：1964-10-22
Applicant: STAMICARBON
Inventor： CORNELIS BOKHOVEN , HANSSEN WILHELM J
IPC: G01N27/49
CPC classification number: G01N27/404
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