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发明名称
Improvements in or relating to a tractor
摘要
申请公布号
GB663378(A)
申请公布日期
1951.12.19
申请号
GB19490000058
申请日期
1949.01.03
申请人
ARTHUR HAROLD STEVENS
发明人
分类号
B62D51/04
主分类号
B62D51/04
代理机构
代理人
主权项
地址
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