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发明名称
DRILLING CONTROL APPARATUS OF ROCK DRILL
摘要
申请公布号
KR100261535(B1)
申请公布日期
2000.07.15
申请号
KR19970039888
申请日期
1997.08.21
申请人
FURUKAWA CO.,LTD.
发明人
GOTO, KAZUYA;YANAGISAWA, MASASHI;GOMI, TOSHIHIKO
分类号
E21B19/08;E21B19/084;E21B44/00;(IPC1-7):E21B44/00
主分类号
E21B19/08
代理机构
代理人
主权项
地址
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