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发明名称
Trailer hitch
摘要
申请公布号
US2562824(A)
申请公布日期
1951.07.31
申请号
US19480053181
申请日期
1948.10.07
申请人
ALVIN SCHMIDT
发明人
SCHMIDT ALVIN
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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