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发明名称
BORING METHOD AND BORING DEVICE
摘要
申请公布号
KR100955449(B1)
申请公布日期
2010.05.04
申请号
KR20087011913
申请日期
2007.01.29
申请人
发明人
分类号
B23B41/00;B26F1/16;H05K3/00
主分类号
B23B41/00
代理机构
代理人
主权项
地址
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