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发明名称
Trailer connection
摘要
申请公布号
US1993591(A)
申请公布日期
1935.03.05
申请号
US19330671256
申请日期
1933.05.15
申请人
ALBERT WECKER
发明人
CARPENTER ARLEY D.;THACH JOHN L.
分类号
B60D1/173
主分类号
B60D1/173
代理机构
代理人
主权项
地址
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