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发明名称
System for reciprocating electric motors
摘要
申请公布号
US1873193(A)
申请公布日期
1932.08.23
申请号
US19280268265
申请日期
1928.04.07
申请人
PER FRENELL
发明人
FRENELL PER
分类号
H02K33/12
主分类号
H02K33/12
代理机构
代理人
主权项
地址
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