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发明名称
Improvements in seed sowing devices
摘要
申请公布号
GB652797(A)
申请公布日期
1951.05.02
申请号
GB19480014398
申请日期
1949.05.04
申请人
HUBERT HENRY STOODLEY
发明人
分类号
A01C7/18
主分类号
A01C7/18
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代理人
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