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经营范围
发明名称
Einrichtung für die Frequenzkontrolle in elektrischen Netzen.
摘要
申请公布号
CH266922(A)
申请公布日期
1950.02.28
申请号
CHD266922
申请日期
1948.03.12
申请人
LANDIS & GYR AG.
发明人
AG. LANDIS & GYR
分类号
G01R23/02
主分类号
G01R23/02
代理机构
代理人
主权项
地址
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