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经营范围
发明名称
Improvements in or relating to electricity meters
摘要
申请公布号
GB770630(A)
申请公布日期
1957.03.20
申请号
GB19550007222
申请日期
1955.03.11
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
G01R11/36
主分类号
G01R11/36
代理机构
代理人
主权项
地址
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