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发明名称
Устройство для измерения частоты электрических колебаний
摘要
申请公布号
SU67558(A1)
申请公布日期
1945.11.30
申请号
SU19440335609
申请日期
1944.11.25
申请人
SOLNTSEV B.K.
发明人
SOLNTSEV B.K.
分类号
G01R23/14
主分类号
G01R23/14
代理机构
代理人
主权项
地址
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