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经营范围
发明名称
Nontilting fifth wheel
摘要
申请公布号
US2257563(A)
申请公布日期
1941.09.30
申请号
US19400358143
申请日期
1940.09.24
申请人
JOHN JOHNSTON
发明人
JOHNSTON JOHN
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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