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发明名称
Sampling device
摘要
申请公布号
US1852445(A)
申请公布日期
1932.04.05
申请号
US19270172915
申请日期
1927.03.04
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
CALKINS AUSTIN EARLE;LASSEN LOUIS
分类号
G01N1/20
主分类号
G01N1/20
代理机构
代理人
主权项
地址
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