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经营范围
发明名称
Hochempfindliche elektrische Messanordnung fuer Wechselstrom, der in einem Unterbrecher gleichgerichtet und einem Gleichstrommessgeraet zugefuehrt wird
摘要
申请公布号
DE503933(C)
申请公布日期
1930.08.05
申请号
DE1927S078366D
申请日期
1927.02.11
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
SELL HELMUT
分类号
G01R13/00
主分类号
G01R13/00
代理机构
代理人
主权项
地址
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