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发明名称
Coded impulse railway track circuits
摘要
申请公布号
US2713633(A)
申请公布日期
1955.07.19
申请号
US19500149581
申请日期
1950.03.14
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
WITMER HAROLD G.
分类号
B61L23/16
主分类号
B61L23/16
代理机构
代理人
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