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发明名称
Perfectionnements aux dispositifs pour le contrôle de l'écoulement d'un liquide
摘要
申请公布号
FR852459(A)
申请公布日期
1940.02.02
申请号
FRD852459
申请日期
1939.04.01
申请人
THE ACROTORQUE COMPANY
发明人
分类号
B64C11/42
主分类号
B64C11/42
代理机构
代理人
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