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发明名称
Railroad car bed
摘要
申请公布号
US2994159(A)
申请公布日期
1961.08.01
申请号
US19600004068
申请日期
1960.01.22
申请人
BONIDIE JAMES A
发明人
BONIDIE JAMES A.
分类号
A63H19/15
主分类号
A63H19/15
代理机构
代理人
主权项
地址
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