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经营范围
发明名称
EARTH DRILL
摘要
申请公布号
JPS63592(A)
申请公布日期
1988.01.05
申请号
JP19860141356
申请日期
1986.06.19
申请人
KITANAKA KATSUMI
发明人
KITANAKA KATSUMI
分类号
E21B11/00
主分类号
E21B11/00
代理机构
代理人
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地址
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