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发明名称
RAILWAY SWITCH OPERATING MECHANISMS
摘要
申请公布号
CA540068(A)
申请公布日期
1957.04.23
申请号
CAD540068
申请日期
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
KENNETH J. J. MCGOWAN
分类号
主分类号
代理机构
代理人
主权项
地址
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