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经营范围
发明名称
Improvements relating to rotary electrical machines
摘要
申请公布号
GB974223(A)
申请公布日期
1964.11.04
申请号
GB19600004097
申请日期
1960.02.05
申请人
JOHN SAYERS
发明人
分类号
H02K31/04
主分类号
H02K31/04
代理机构
代理人
主权项
地址
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