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发明名称
Flow meter
摘要
申请公布号
US1788976(A)
申请公布日期
1931.01.13
申请号
US19270192344
申请日期
1927.05.18
申请人
ARMAND BERAUD;GAETAN JACQUET
发明人
BERAUD ARMAND;JACQUET GAETAN
分类号
G01F1/20
主分类号
G01F1/20
代理机构
代理人
主权项
地址
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