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公开(公告)号：US3167396A
公开(公告)日：1965-01-26
申请号：US9171361
申请日：1961-02-27
Applicant: COLEMAN INSTR CORP
Inventor： STAUNTON JOHN J J , LEWIS MALTER , GLEASON WILLIAM J , BUIL RAME W
IPC: G01N31/12
CPC classification number: G01N31/12
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