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发明名称
PRECISION FORGING METHOD OF HELICAL GEAR FOR CAR TRANSMISSIONS
摘要
申请公布号
KR20110112610(A)
申请公布日期
2011.10.13
申请号
KR20100031802
申请日期
2010.04.07
申请人
KOREA INSTITUTE OF MACHINERY & MATERIALS
发明人
LEE, YOUNG SEON;KANG, SEONG HOON;LEE, KWANG SEOK;KIM, SANG WOO
分类号
B21K1/30;B21J5/08;B21J5/12
主分类号
B21K1/30
代理机构
代理人
主权项
地址
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