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发明名称
A system for measuring the supply or consumption of direct current
摘要
申请公布号
GB860481(A)
申请公布日期
1961.02.08
申请号
GB19570028367
申请日期
1957.09.09
申请人
KRIZIK-KARLIN, VYVOJOVY ZAVOD;EVZEN TOMANEK;ANTONIN POLACEK
发明人
分类号
G01R19/20
主分类号
G01R19/20
代理机构
代理人
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