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发明名称
Sediment sampler
摘要
申请公布号
US2153894(A)
申请公布日期
1939.04.11
申请号
US19380184817
申请日期
1938.01.13
申请人
LANGSENKAMP WHEELER BRASS WORKS, INC.
发明人
LANG ADAM M.
分类号
G01N15/06
主分类号
G01N15/06
代理机构
代理人
主权项
地址
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