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Регистратор синфазности
摘要
申请公布号
SU73204(A1)
申请公布日期
1947.11.30
申请号
SU19470004030
申请日期
1947.03.04
申请人
DMITRIEV V.M.
发明人
DMITRIEV V.M.
分类号
H04L7/00;H04L17/00
主分类号
H04L7/00
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