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发明名称
Liquid flow calculator
摘要
申请公布号
US2422663(A)
申请公布日期
1947.06.24
申请号
US19460651407
申请日期
1946.03.01
申请人
FEILD JAMES W
发明人
FEILD JAMES W.
分类号
G01F15/02;G06G1/12
主分类号
G01F15/02
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代理人
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