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发明名称
Improvements in and relating to indicating mechanism, suitable for indicating the level or quantity of liquid in a container or other purposes
摘要
申请公布号
GB343693(A)
申请公布日期
1931.02.26
申请号
GB19300001538
申请日期
1930.01.16
申请人
ROBERT ELMS
发明人
分类号
G01F23/16
主分类号
G01F23/16
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代理人
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