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发明名称
Trailer
摘要
申请公布号
US1771206(A)
申请公布日期
1930.07.22
申请号
US19280273188
申请日期
1928.04.27
申请人
SAMUEL COHEN
发明人
COHEN SAMUEL
分类号
B60P3/08
主分类号
B60P3/08
代理机构
代理人
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