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1.Process of preparing used filtering material for revivification 失效
Title translation: 制备用过的复原过滤材料的工艺公开(公告)号:US1982828A
公开(公告)日:1934-12-04
申请号:US61786832
申请日:1932-06-17
Applicant: SUN OIL CO
Inventor: PEW JR ARTHUR E , TARBOX LEON A
CPC classification number: B01J20/12 , B01J20/20 , B01J20/3416 , B01J20/3433 , B01J20/3475
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公开(公告)号:US2191403A
公开(公告)日:1940-02-20
申请号:US20516438
申请日:1938-04-30
Applicant: SUN OIL CO
Inventor: TARBOX LEON A , HERMAN BARCUS WILLIAM
CPC classification number: C10M175/0058 , C10M175/0008 , C10M2201/103
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