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经营范围
发明名称
Railway traffic controlling apparatus
摘要
申请公布号
US2854567(A)
申请公布日期
1958.09.30
申请号
US19540425206
申请日期
1954.04.23
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
STAPLES CRAWFORD E.;SHIELDS CHARLES B.
分类号
B61L23/16
主分类号
B61L23/16
代理机构
代理人
主权项
地址
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