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公开(公告)号：US3256854A
公开(公告)日：1966-06-21
申请号：US18673862
申请日：1962-04-11
Applicant: UNITED STATES STEEL CORP
Inventor： FLEMING DOUGLAS C
CPC classification number: B05B15/08 , B05B13/0207 , B05B15/74 , Y10S242/908
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