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发明名称
Impulse switch
摘要
申请公布号
US2166680(A)
申请公布日期
1939.07.18
申请号
US19370151080
申请日期
1937.06.30
申请人
RADIO CORPORATION OF AMERICA
发明人
CREAGER FREDERICK L.
分类号
G08C19/20;H03J1/22
主分类号
G08C19/20
代理机构
代理人
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