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发明名称
Sampling device
摘要
申请公布号
US3173500(A)
申请公布日期
1965.03.16
申请号
US19620205644
申请日期
1962.06.27
申请人
AMERICAN COLDSET CORPORATION;CORE LABORATORIES, INC.
发明人
STUART ROBERT W.;WISENBAKER JOHN D.
分类号
E21B49/06
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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