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发明名称
Improvements in liquid level indicators for reservoirs
摘要
申请公布号
GB371853(A)
申请公布日期
1932.04.20
申请号
GB19310001951
申请日期
1931.01.20
申请人
ITALO FARFALLINI
发明人
分类号
G01F23/50
主分类号
G01F23/50
代理机构
代理人
主权项
地址
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