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发明名称
Frequency converter
摘要
申请公布号
US2480659(A)
申请公布日期
1949.08.30
申请号
US19460668607
申请日期
1946.05.09
申请人
RAYTHEON MANUFACTURING COMPANY
发明人
LISSMAN MARCEL A.
分类号
H03B19/10;H05B6/48
主分类号
H03B19/10
代理机构
代理人
主权项
地址
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