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发明名称
Fifth wheel
摘要
申请公布号
US2106258(A)
申请公布日期
1938.01.25
申请号
US19370138523
申请日期
1937.04.23
申请人
SEYFERTH CARL G
发明人
SEYFERTH CARL G.
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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