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发明名称
TRAIN OPERATION MANAGEMENT SYSTEM
摘要
申请公布号
JPH03109169(A)
申请公布日期
1991.05.09
申请号
JP19890246789
申请日期
1989.09.22
申请人
HITACHI LTD
发明人
MONNO TAKATOMO
分类号
B61L27/00
主分类号
B61L27/00
代理机构
代理人
主权项
地址
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