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发明名称
TRAIN SERVICE MANAGING SYSTEM
摘要
申请公布号
JPS5313705(A)
申请公布日期
1978.02.07
申请号
JP19760087301
申请日期
1976.07.23
申请人
HITACHI LTD
发明人
KAWAI YOSHINORI
分类号
B61L27/00;B61L25/00
主分类号
B61L27/00
代理机构
代理人
主权项
地址
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