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发明名称
Improvements relating to apparatus for maintaining liquids at a constant level in a tank
摘要
申请公布号
GB730617(A)
申请公布日期
1955.05.25
申请号
GB19530005756
申请日期
1953.03.02
申请人
FARBENFABRIKEN BAYER AKTIENGESELLSCHAFT
发明人
分类号
G05D9/02
主分类号
G05D9/02
代理机构
代理人
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