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发明名称
Dispositif régulateur de débit de fluides pour canalisations
摘要
申请公布号
FR850567(A)
申请公布日期
1939.12.20
申请号
FRD850567
申请日期
1938.08.30
申请人
发明人
DAUPHIN ANDRE LUCIEN
分类号
F16K1/12
主分类号
F16K1/12
代理机构
代理人
主权项
地址
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