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发明名称
Apparat til brug i et transmissionsanlæg, hvori der foretages en periodisk afføling af en signalbølges amplitude.
摘要
申请公布号
DK80632(C)
申请公布日期
1956.03.05
申请号
DK19510005178
申请日期
1951.06.29
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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