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发明名称
Drawbar for trailers
摘要
申请公布号
US2780480(A)
申请公布日期
1957.02.05
申请号
US19550507609
申请日期
1955.05.11
申请人
SCHWAB LEONARD F
发明人
SCHWAB LEONARD F.
分类号
B60D1/167
主分类号
B60D1/167
代理机构
代理人
主权项
地址
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