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发明名称
A device for the quantitative dispersion of granular material such as seeds
摘要
申请公布号
GB575222(A)
申请公布日期
1946.02.08
申请号
GB19440004295
申请日期
1944.03.08
申请人
ALLAN GEORGE STEVENS;ADA EMILY STEVENS
发明人
分类号
A01C7/18
主分类号
A01C7/18
代理机构
代理人
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