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经营范围
发明名称
MOVABLE DRILLING RIG
摘要
申请公布号
JPS5938492(A)
申请公布日期
1984.03.02
申请号
JP19830116229
申请日期
1983.06.29
申请人
WAAMAN INTERN LTD
发明人
HANSU GUUGAA;JIYON AKURANDO
分类号
E21B15/00;E21B7/02
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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