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经营范围
发明名称
Grain sampling device
摘要
申请公布号
US3342073(A)
申请公布日期
1967.09.19
申请号
US19630306254
申请日期
1963.09.03
申请人
STRAND EDNA E
发明人
STRAND EDNA E.
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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