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公开(公告)号：US3547809A
公开(公告)日：1970-12-15
申请号：US3547809D
申请日：1968-08-19
Applicant: HYDROCARBON RESEARCH INC
Inventor： EHRLICH STANLEY W , BANIKIOTES GREGORY C , MACKLES MARK
CPC classification number: B01J3/02 , B01J8/0015
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