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经营范围
发明名称
Armored detector
摘要
申请公布号
GB0216478(D0)
申请公布日期
2002.08.21
申请号
GB20020016478
申请日期
2000.12.20
申请人
GEOSTEERING MINING SERVICES LLC
发明人
分类号
E21C35/22;E21C35/24
主分类号
E21C35/22
代理机构
代理人
主权项
地址
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