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发明名称
Agricultural seed-sowing machine
摘要
申请公布号
GB698823(A)
申请公布日期
1953.10.21
申请号
GB19510008918
申请日期
1951.04.17
申请人
WILLIAM NORTHALL
发明人
分类号
A01C7/04
主分类号
A01C7/04
代理机构
代理人
主权项
地址
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