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发明名称
Railway braking apparatus
摘要
申请公布号
US2104186(A)
申请公布日期
1938.01.04
申请号
US19370136866
申请日期
1937.04.14
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
CLAUSEN HAROLD C.
分类号
B61K7/08
主分类号
B61K7/08
代理机构
代理人
主权项
地址
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