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发明名称
Improvements in or relating to apparatus for indicating or/and recording electrically the variations of a quantity such as the flow of fluids
摘要
申请公布号
GB395573(A)
申请公布日期
1933.07.20
申请号
GB19320033745
申请日期
1932.11.29
申请人
JAMES EDWARD LEA
发明人
分类号
G01F1/36
主分类号
G01F1/36
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代理人
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