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公开(公告)号:US3324695A
公开(公告)日:1967-06-13
申请号:US43156365
申请日:1965-02-10
Applicant: ASEA AB
Inventor: OLIVO SIVILOTTI
IPC: B21B38/02 , G01L1/12 , G01L5/04
CPC classification number: G01L5/045 , B21B38/02 , G01L1/125 , G01L1/127