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公开(公告)号：US2801211A
公开(公告)日：1957-07-30
申请号：US46178154
申请日：1954-10-12
Applicant: NAT PETRO CHEM
Inventor： HULSE ROBERT E , ATWOOD JOHN S , MULLER WERNER C , MILLER FRANKLYN D
IPC: B01D3/00
CPC classification number: B01D3/003
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