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发明名称
Friction welding process of Two-stroke Diesel engine turbocharger rotor shaft
摘要
申请公布号
KR100957984(B1)
申请公布日期
2010.05.17
申请号
KR20080006406
申请日期
2008.01.22
申请人
发明人
分类号
B23K20/12;B21J5/02;C21D9/00;C21D9/28
主分类号
B23K20/12
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