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经营范围
发明名称
Perfectionnements aux indicateurs de niveau d'eau.
摘要
申请公布号
BE591357(A1)
申请公布日期
1960.09.16
申请号
BE19600591357
申请日期
1960.05.30
申请人
HOPKINSONS LIMITED
发明人
分类号
(IPC1-7):G01F
主分类号
(IPC1-7):G01F
代理机构
代理人
主权项
地址
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