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公开(公告)号:US3064558A
公开(公告)日:1962-11-20
申请号:US57128256
申请日:1956-03-13
Applicant: ASEA AB
Inventor: VON PLATEN BALTZAR
IPC: B30B15/04
CPC classification number: B30B15/042
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公开(公告)号:US2917082A
公开(公告)日:1959-12-15
申请号:US57128356
申请日:1956-03-13
Applicant: ASEA AB
Inventor: VON PLATEN BALTZAR
CPC classification number: B21D51/24 , B01J3/04 , Y10T29/49071 , Y10T29/49874
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