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发明名称
Strengthening the roots of gear teeth
摘要
申请公布号
GB2242849(A)
申请公布日期
1991.10.16
申请号
GB19910003233
申请日期
1991.02.15
申请人
* NISSAN MOTOR CO LTD
发明人
SHIGETOSHI * NAKAMURA
分类号
B23F17/00;B23P9/02
主分类号
B23F17/00
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