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公开(公告)号：US2632692A
公开(公告)日：1953-03-24
申请号：US7148449
申请日：1949-01-18
Applicant: HYDROCARBON RESEARCH INC
Inventor： KORIN ANDREW D , JOHN ROBELL
IPC: B01J8/04
CPC classification number: B01J8/0492
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