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发明名称
COMMUTATORS FOR DYNAMO ELECTRIC MACHINES OR OTHER PURPOSES
摘要
申请公布号
CA633917(A)
申请公布日期
1962.01.02
申请号
CAD633917
申请日期
申请人
JOSEPH LUCAS (INDUSTRIES) LIMITED
发明人
FRED E. BUTCHER;FREDERICK EVANS
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主分类号
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