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发明名称
Schaltung mit wenigstens zwei Mehrelektrodenröhren
摘要
申请公布号
AT197902(B)
申请公布日期
1958.05.27
申请号
ATD197902
申请日期
1956.11.02
申请人
SIEMENS & HALSKE GESELLSCHAFT M. B. H.
发明人
ING. JULIUS ZAWILENSKY
分类号
主分类号
代理机构
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