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发明名称
Grain sampler
摘要
申请公布号
US3393567(A)
申请公布日期
1968.07.23
申请号
US19650510916
申请日期
1965.12.01
申请人
FRANK J. JIRIK
发明人
JIRIK FRANK J.
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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