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发明名称
Direct current motor
摘要
申请公布号
US2263331(A)
申请公布日期
1941.11.18
申请号
US19400339364
申请日期
1940.06.07
申请人
GENERAL RAILWAY SIGNAL COMPANY
发明人
FIELD OSCAR S.
分类号
H02K25/00
主分类号
H02K25/00
代理机构
代理人
主权项
地址
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