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经营范围
发明名称
Improvements in or relating to electrical measuring instruments
摘要
申请公布号
GB406360(A)
申请公布日期
1934.02.26
申请号
GB19320023877
申请日期
1932.08.26
申请人
STANDARD TELEPHONES AND CABLES, LIMITED;ERNEST JOHN TERVET
发明人
分类号
G01R15/00;H02H11/00
主分类号
G01R15/00
代理机构
代理人
主权项
地址
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