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发明名称
Apparatus for Joining Frames and Method for the Same
摘要
申请公布号
KR100916600(B1)
申请公布日期
2009.09.11
申请号
KR20070042230
申请日期
2007.04.30
申请人
发明人
分类号
B21D39/02;B21D31/00;B23K20/02;B23P11/00
主分类号
B21D39/02
代理机构
代理人
主权项
地址
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