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发明名称
Einrichtung zur Erzeugung einer Steuerspannung von rechteckförmiger Kurvenform und einer wählbaren Frequenz.
摘要
申请公布号
AT146425(B)
申请公布日期
1936.07.10
申请号
ATD146425
申请日期
1935.05.17
申请人
AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.
发明人
分类号
主分类号
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代理人
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