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发明名称
APPARATUS FOR TAKING SOIL SAMPLES
摘要
申请公布号
GB2003534(A)
申请公布日期
1979.03.14
申请号
GB19780035301
申请日期
1978.09.01
申请人
PANAMA OVERSEAS SHIPPING CORP INC
发明人
分类号
E21B4/08;E21B25/18;(IPC1-7):E21B1/10
主分类号
E21B4/08
代理机构
代理人
主权项
地址
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