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发明名称
Railway truck
摘要
申请公布号
US2155781(A)
申请公布日期
1939.04.25
申请号
US19350046695
申请日期
1935.10.25
申请人
BESLER WILLIAM J
发明人
BESLER WILLIAM J.
分类号
B61C5/00
主分类号
B61C5/00
代理机构
代理人
主权项
地址
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