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发明名称
Keying method for radio transmitters
摘要
申请公布号
GB552959(A)
申请公布日期
1943.05.03
申请号
GB19420004065
申请日期
1942.03.27
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
H04L27/04
主分类号
H04L27/04
代理机构
代理人
主权项
地址
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ADJUSTABLE SEAT