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经营范围
发明名称
A pilot operated valve for maintaining a predetermined liquid level in a receptacle
摘要
申请公布号
GB1026913(A)
申请公布日期
1966.04.20
申请号
GB19630018564
申请日期
1963.05.10
申请人
JOHANNES BERNADUS RATELBAND
发明人
分类号
G01F15/00;G01F23/00
主分类号
G01F15/00
代理机构
代理人
主权项
地址
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