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发明名称
UTILITY METERING
摘要
申请公布号
GB8719656(D0)
申请公布日期
1987.09.30
申请号
GB19870019656
申请日期
1987.08.20
申请人
MARSDEN, D R
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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