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发明名称
CENTRAL OFFICE CONTROL CIRCUITS FOR REMOTE CONTROL SYSTEMS
摘要
申请公布号
US3553449(A)
申请公布日期
1971.01.05
申请号
USD3553449
申请日期
1968.07.01
申请人
WESTINGHOUSE AIR BRAKE CO.
发明人
HOMER L. HATHAWAY
分类号
B61L7/08;(IPC1-7):B61L27/00
主分类号
B61L7/08
代理机构
代理人
主权项
地址
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