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1.发明授权
公开(公告)号：US2952582A
公开(公告)日：1960-09-13
申请号：US74273858
申请日：1958-06-18
Applicant: PHILLIPS PETROLEUM CO
Inventor： GOODHUE LYLE D , CANTREL KENNETH E , GAINES JACK R , PETROLEUM COMPANY PHILLIPS
IPC: A01N35/06
CPC classification number: A01N35/06
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