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发明名称
DRILLING GROUND STATE DETECTION APPARATUS FOR AUGER DRILLINGGROUND
摘要
申请公布号
JPS62220691(A)
申请公布日期
1987.09.28
申请号
JP19860059446
申请日期
1986.03.19
申请人
PENTA OCEAN CONSTR CO LTD
发明人
MITANI NOBORU;TAJIMA MASANORI;TAKAHASHI MASASHI;SHIGEMATSU BUNJI;ISOE SHINZOU
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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