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发明名称
Transportation means
摘要
申请公布号
US2023972(A)
申请公布日期
1935.12.10
申请号
US19310580238
申请日期
1931.12.11
申请人
CHICAGO, NORTH SHORE & MILWAUKEE RAILROAD COMPANY
发明人
OTIS HAROLD A.
分类号
B60P3/075
主分类号
B60P3/075
代理机构
代理人
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