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发明名称
METHOD AND DEVICE FOR TWO SIDE FRICTION WELDING
摘要
申请公布号
KR101105228(B1)
申请公布日期
2012.01.13
申请号
KR20090024121
申请日期
2009.03.20
申请人
发明人
分类号
B23K20/12;B23K20/26
主分类号
B23K20/12
代理机构
代理人
主权项
地址
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