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公开(公告)号：US3144162A
公开(公告)日：1964-08-11
申请号：US13119961
申请日：1961-08-14
Applicant: BETHLEHEM STEEL CORP
Inventor： MORRIS RICHARD E
CPC classification number: F16J13/12 , B01J3/03 , F16J15/06 , F16J15/166 , Y10S277/91 , Y10S277/921
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