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经营范围
发明名称
ELECTRICAL TRACK SIGNALLING SYSTEM
摘要
申请公布号
GB8500461(D0)
申请公布日期
1985.02.13
申请号
GB19850000461
申请日期
1985.01.08
申请人
M L ENG (PLYMOUTH) LTD
发明人
分类号
主分类号
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