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经营范围
发明名称
Improvements relating to electrically operated devices for controlling or regulating the level of liquid or other flowing materials
摘要
申请公布号
GB435426(A)
申请公布日期
1935.09.20
申请号
GB19340017518
申请日期
1934.06.13
申请人
EVERSHED & VIGNOLES LIMITED;JOHN CUTHBERT NEEDHAM
发明人
分类号
G05D9/12
主分类号
G05D9/12
代理机构
代理人
主权项
地址
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