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1.发明授权Method and apparatus for roll quenching and straightening cylindrical elongated workpieces 失效用于辊筒淬火和矫直圆柱形细长工件的方法和装置
公开(公告)号：US2748038A
公开(公告)日：1956-05-29
申请号：US34851253
申请日：1953-04-13
Applicant: GLEASON WORKS
Inventor： ADAIR ROBERT V , DAMMERT EARL D , BEERS EDWARD C VAN
IPC: C21D9/28
CPC classification number: C21D9/28
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