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经营范围
发明名称
Elektrisches Messinstrument zur wahlweisen Messung von Strom, Spannung, Wirk- und Blindleistung.
摘要
申请公布号
CH298550(A)
申请公布日期
1954.05.15
申请号
CHD298550
申请日期
1952.01.19
申请人
EMA AG.
发明人
AG. EMA
分类号
G01R11/54
主分类号
G01R11/54
代理机构
代理人
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地址
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