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发明名称
Means for obtaining soil samples
摘要
申请公布号
US2325057(A)
申请公布日期
1943.07.27
申请号
US19400337646
申请日期
1940.05.28
申请人
CONSOLIDATED ENGINEERING CORPORATION
发明人
JR. HERBERT HOOVER,;METCALF HERBERT E.
分类号
G01N1/04
主分类号
G01N1/04
代理机构
代理人
主权项
地址
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