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发明名称
FAIL-SAFE SPEED CONTROL SYSTEM FOR RAILROAD TRAINS
摘要
申请公布号
US3582644(A)
申请公布日期
1971.06.01
申请号
USD3582644
申请日期
1968.10.02
申请人
WESTINGHOUSE AIR BRAKE CO.
发明人
PHILIP R. SCHATZEL
分类号
B61L27/00;(IPC1-7):B61L23/20
主分类号
B61L27/00
代理机构
代理人
主权项
地址
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