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发明名称
SELF-ADJUSTING CLOSE-COUPLED TRAILER HITCH
摘要
申请公布号
US3606387(A)
申请公布日期
1971.09.20
申请号
USD3606387
申请日期
1969.05.29
申请人
DELMER JAMES HILL
发明人
DELMER JAMES HILL
分类号
B60D1/42;B62D53/06;(IPC1-7):B62D53/00
主分类号
B60D1/42
代理机构
代理人
主权项
地址
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