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发明名称
Schaltung zur Verstärkung elektrischer Schwingungen.
摘要
申请公布号
AT137552(B)
申请公布日期
1934.05.11
申请号
ATD137552
申请日期
1930.11.10
申请人
VEREINIGTE GLUEHLAMPEN- UND ELECTRICITAETS-ACTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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