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公开(公告)号：US1429721A
公开(公告)日：1922-09-19
申请号：US42386920
申请日：1920-11-13
Applicant: MAGNOLIA PETROLEUM COMPANY
Inventor： STREETER DICKENS CARL , EDWIN SCHLEY THOMAS , WHARTON NEWTON JOHN
IPC: C10G73/36
CPC classification number: C10G73/36
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