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经营范围
发明名称
Elektronische Schaltstufe
摘要
申请公布号
DE1051039(B)
申请公布日期
1959.02.19
申请号
DE1957V012951
申请日期
1957.08.17
申请人
VEB VAKUTRONIK
发明人
GROSCHISCHKA HORST
分类号
H03K23/82
主分类号
H03K23/82
代理机构
代理人
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