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公开(公告)号：US3313596A
公开(公告)日：1967-04-11
申请号：US29795463
申请日：1963-07-26
Applicant: GREAT LAKES CARBON CORP
Inventor： HOGG JR GRADY R , REAVIS JR JAMES C , RUSSELL WILLIAM E
IPC: D01F9/16
CPC classification number: D01F9/16
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