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发明名称
Flow meter
摘要
申请公布号
US2896453(A)
申请公布日期
1959.07.28
申请号
US19560559427
申请日期
1956.01.16
申请人
RYAN
发明人
RYAN ALFRED J.;MCDOWELL WILLIAM B.
分类号
G01F1/00
主分类号
G01F1/00
代理机构
代理人
主权项
地址
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