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经营范围
发明名称
Sequence Control System
摘要
申请公布号
GB1158630(A)
申请公布日期
1969.07.16
申请号
GB19660044421
申请日期
1966.10.05
申请人
NORTHERN ELECTRIC COMPANY LIMITED
发明人
分类号
H04M3/523
主分类号
H04M3/523
代理机构
代理人
主权项
地址
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