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发明名称
Perfectionnements aux appareils électriques servant à indiquer le niveau d'un liquide
摘要
申请公布号
FR856231(A)
申请公布日期
1940.06.07
申请号
FRD856231
申请日期
1939.06.15
申请人
EVERSHED & VIGNOLES LIMITED
发明人
分类号
G01F23/68
主分类号
G01F23/68
代理机构
代理人
主权项
地址
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