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发明名称
Improvements in and relating to apparatus for measuring direct current
摘要
申请公布号
GB737307(A)
申请公布日期
1955.09.21
申请号
GB19530032880
申请日期
1953.11.26
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
G01R19/20
主分类号
G01R19/20
代理机构
代理人
主权项
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