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发明名称
Homopolar concentric field direct current machine
摘要
申请公布号
GB2229866(A)
申请公布日期
1990.10.03
申请号
GB19890007153
申请日期
1989.03.30
申请人
FREDERICK WILLIAM * WALKER
发明人
FREDERICK WILLIAM * WALKER
分类号
H02K31/00
主分类号
H02K31/00
代理机构
代理人
主权项
地址
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