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发明名称
Hitching device for trailers or the like
摘要
申请公布号
US2818276(A)
申请公布日期
1957.12.31
申请号
US19550548861
申请日期
1955.11.25
申请人
SPRANG HAROLD R
发明人
SPRANG HAROLD R.
分类号
B60D1/155
主分类号
B60D1/155
代理机构
代理人
主权项
地址
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