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发明名称
Trailer hitch
摘要
申请公布号
US2884261(A)
申请公布日期
1959.04.28
申请号
US19570689534
申请日期
1957.10.11
申请人
FARR ELMER M
发明人
FARR ELMER M.
分类号
B60D1/06
主分类号
B60D1/06
代理机构
代理人
主权项
地址
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