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发明名称
Schaltungsanordnung zur selbsttaetigen Umformung von Wechselspannungen beliebiger Frequenzen in gleich grosse oder verhaeltnisgleiche Wechselspannungen konstanter Frequenz fuer Messzwecke
摘要
申请公布号
DE1005627(B)
申请公布日期
1957.04.04
申请号
DE1954K023790
申请日期
1954.10.20
申请人
DIPL.-ING. ROMAN KOLL
发明人
KOLL DIPL.-ING. ROMAN
分类号
G01R29/08
主分类号
G01R29/08
代理机构
代理人
主权项
地址
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