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发明名称
Electrical control system
摘要
申请公布号
US1931111(A)
申请公布日期
1933.10.17
申请号
US19310569025
申请日期
1931.10.15
申请人
GENERAL ELECTRIC COMPANY
发明人
GOLDBERG LEON J.
分类号
H02P7/34
主分类号
H02P7/34
代理机构
代理人
主权项
地址
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