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发明名称
Elektrischer Anzeigekreis
摘要
申请公布号
AT254570(B)
申请公布日期
1967.05.26
申请号
AT19650005367
申请日期
1965.06.14
申请人
VYZKUMNY USTAV MATEMATICKYCH STROJU
发明人
分类号
G06G
主分类号
G06G
代理机构
代理人
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