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经营范围
发明名称
Tractor hitch
摘要
申请公布号
US2636744(A)
申请公布日期
1953.04.28
申请号
US19490097247
申请日期
1949.06.04
申请人
TREES LEONARD E
发明人
TREES LEONARD E.
分类号
B60D1/26
主分类号
B60D1/26
代理机构
代理人
主权项
地址
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