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公开(公告)号：US2908334A
公开(公告)日：1959-10-13
申请号：US64596557
申请日：1957-03-14
Applicant: UNION CARBIDE CORP
Inventor： DUGGAN JAMES J , HAIN ELIAS W , HAETTINGER GEORGE C
IPC: A62C5/00
CPC classification number: A62C5/002 , Y10S261/26
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