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发明名称
Railway braking apparatus
摘要
申请公布号
US2061753(A)
申请公布日期
1936.11.24
申请号
US19350025118
申请日期
1935.06.05
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
BONE HERBERT L.
分类号
B61K7/04
主分类号
B61K7/04
代理机构
代理人
主权项
地址
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