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发明名称
Improvements in and relating to magnetic fluid measuring devices
摘要
申请公布号
GB1087980(A)
申请公布日期
1967.10.18
申请号
GB19640050885
申请日期
1964.12.14
申请人
COMPAGNIE DES COMPTEURS
发明人
分类号
G01R33/04
主分类号
G01R33/04
代理机构
代理人
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