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发明名称
Two-speed motor
摘要
申请公布号
US2051799(A)
申请公布日期
1936.08.18
申请号
US19320620108
申请日期
1932.06.30
申请人
RADIO CORPORATION OF AMERICA
发明人
SUOMALA JOHN B.
分类号
G11B19/265
主分类号
G11B19/265
代理机构
代理人
主权项
地址
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