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发明名称
Trailer hitch
摘要
申请公布号
US2309850(A)
申请公布日期
1943.02.02
申请号
US19410421201
申请日期
1941.12.01
申请人
KLAWITTER BRANCH F
发明人
KLAWITTER BRANCH F.
分类号
B60D1/54
主分类号
B60D1/54
代理机构
代理人
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