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发明名称
Improvements in and relating to tractor drawn disc plows
摘要
申请公布号
GB337125(A)
申请公布日期
1930.10.30
申请号
GB19290027517
申请日期
1929.09.10
申请人
FREDERICK GAINFORD HARRIS
发明人
分类号
A01B5/12
主分类号
A01B5/12
代理机构
代理人
主权项
地址
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