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公开(公告)号:US2853377A
公开(公告)日:1958-09-23
申请号:US54922055
申请日:1955-11-18
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: STURE KALLING BO MICHAEL , EVALD JOHANSSON FOLKE CARL
IPC: C21C5/32
CPC classification number: C21C5/32
公开(公告)号:US2853377A
公开(公告)日:1958-09-23
申请号:US54922055
申请日:1955-11-18
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: STURE KALLING BO MICHAEL , EVALD JOHANSSON FOLKE CARL
IPC: C21C5/32
CPC classification number: C21C5/32