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发明名称
IMPROVEMENTS TO RAIL SYSTEMS
摘要
申请公布号
ZA7801784(B)
申请公布日期
1979.03.28
申请号
ZA19780001784
申请日期
1978.03.29
申请人
WESTINGHOUSE BRAKE & SIGNAL CO LTD
发明人
POOLE F;ROWE G
分类号
E21F1/14
主分类号
E21F1/14
代理机构
代理人
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地址
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