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发明名称
FREQUENCY TRANSLATING DEVICE
摘要
申请公布号
CA351238(A)
申请公布日期
1935.06.25
申请号
CAD351238
申请日期
申请人
THE WESTERN ELECTRIC COMPANY
发明人
WILLIAM HENRY TOWNE HOLDEN
分类号
主分类号
代理机构
代理人
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