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发明名称
Control system for automatic substations
摘要
申请公布号
US1929669(A)
申请公布日期
1933.10.10
申请号
US19220577044
申请日期
1922.07.24
申请人
THE NORTH ELECTRIC MANUFACTURING COMPANY
发明人
ARTER ROY C.
分类号
H02J13/00
主分类号
H02J13/00
代理机构
代理人
主权项
地址
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