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发明名称
Verfahren zur Bestimmung der Frequenz einer Wechselspannung und Vorrichtung zur Durchfuehrung des Verfahrens
摘要
申请公布号
DE1287208(B)
申请公布日期
1969.01.16
申请号
DE1964S089100
申请日期
1964.04.17
申请人
AGA AKTIEBOLAG
发明人
CARL-ERIK GRANQUIST,
分类号
G01P3/46;G01R23/02
主分类号
G01P3/46
代理机构
代理人
主权项
地址
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