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发明名称
Control apparatus for electric locks for railway track switches
摘要
申请公布号
US2664500(A)
申请公布日期
1953.12.29
申请号
US19490100896
申请日期
1949.06.23
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
BAKER WARWICK R.;ROSENSTEEL ROBERT M.
分类号
B61L21/06
主分类号
B61L21/06
代理机构
代理人
主权项
地址
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