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发明名称
APPARATUS AND METHOD FOR DRILLING
摘要
申请公布号
KR0135681(B1)
申请公布日期
1998.04.23
申请号
KR19940022817
申请日期
1994.09.10
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
MISONO, SHINJI;MISONO, SHINJI;TETSUKA. SYU;IWANO, KAZUO
分类号
B23B35/00;H05K3/00;(IPC1-7):B23B41/00
主分类号
B23B35/00
代理机构
代理人
主权项
地址
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