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发明名称
Improvements in flow meters for liquids
摘要
申请公布号
GB503872(A)
申请公布日期
1939.04.17
申请号
GB19370028232
申请日期
1937.10.16
申请人
HERMAN OSCAR SERCK
发明人
分类号
G01F3/16
主分类号
G01F3/16
代理机构
代理人
主权项
地址
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