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发明名称
Improvements in tractor-drawn agricultural implements such as ploughs
摘要
申请公布号
GB617348(A)
申请公布日期
1949.02.04
申请号
GB19460014312
申请日期
1946.05.11
申请人
HARRY FERGUSON INC.
发明人
分类号
A01B3/44
主分类号
A01B3/44
代理机构
代理人
主权项
地址
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