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公开(公告)号：US3327492A
公开(公告)日：1967-06-27
申请号：US39955064
申请日：1964-09-28
Applicant: PHILLIPS PETROLEUM CO
Inventor： GOARD HOWARD W , WALDO RICHARD A
CPC classification number: A23F5/32 , B01D9/0013 , B01D9/04
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