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发明名称
Improvements in devices for sampling liquids at a depth below the surface
摘要
申请公布号
GB913056(A)
申请公布日期
1962.12.19
申请号
GB19580018768
申请日期
1958.06.12
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
GRAY DAVID ALFRED;TATE TOM KEITH;DAY GEORGE FREDERICK
分类号
E21B49/08;G01N1/12
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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