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经营范围
发明名称
Tractor and trailer coupling
摘要
申请公布号
US1805642(A)
申请公布日期
1931.05.19
申请号
US19290399529
申请日期
1929.10.14
申请人
WALTER S. ROSS
发明人
STRACHAN HUGH B.
分类号
B62D53/08
主分类号
B62D53/08
代理机构
代理人
主权项
地址
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