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1.发明授权Device for cutting gear teeth and grooves or splines by the generating process 失效用于通过生成过程切割齿轮齿和槽或花键的装置公开(公告)号：US2749804A
公开(公告)日：1956-06-12
申请号：US29459552
申请日：1952-06-20
Applicant: NICOLAS DAOUT ROBERT
Inventor： NICOLAS DAOUT ROBERT
IPC: B23F5/28
CPC classification number: B23F5/285 , Y10T409/101431 , Y10T409/109222
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