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经营范围
发明名称
Improvements in level measuring apparatus
摘要
申请公布号
GB663946(A)
申请公布日期
1951.01.02
申请号
GB19480017786
申请日期
1948.07.01
申请人
GEORGES HENRI DION
发明人
分类号
G01F23/296
主分类号
G01F23/296
代理机构
代理人
主权项
地址
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