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发明名称
AUTOMATIC EXCAVATION CONTROL METHOD
摘要
申请公布号
JPS6311791(A)
申请公布日期
1988.01.19
申请号
JP19860151532
申请日期
1986.06.30
申请人
ISHIKAWAJIMA HARIMA HEAVY IND CO LTD
发明人
NAKAHARA NAOJI
分类号
E21B44/00;E21B44/02
主分类号
E21B44/00
代理机构
代理人
主权项
地址
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