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发明名称
Direct current generators
摘要
申请公布号
GB665793(A)
申请公布日期
1952.01.30
申请号
GB19490022715
申请日期
1949.09.01
申请人
LIBERO ZANNONI
发明人
分类号
H02K23/66
主分类号
H02K23/66
代理机构
代理人
主权项
地址
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