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经营范围
发明名称
Improvements in or relating to seed drills
摘要
申请公布号
GB1010525(A)
申请公布日期
1965.11.17
申请号
GB19630016396
申请日期
1963.04.25
申请人
ERNEST A. WEBB LIMITED;JOHN MARTIN THORBY
发明人
分类号
A01C7/04;A01C7/20
主分类号
A01C7/04
代理机构
代理人
主权项
地址
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