Dispositif d'écoulement liquide à débit quasi-constant,申请号FRD1119403-传众专利搜索

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发明名称	Dispositif d'écoulement liquide à débit quasi-constant
摘要
申请公布号	FR1119403(A)	申请公布日期	1956.06.20
申请号	FRD1119403	申请日期	1955.02.17
申请人	S. D. E. M. A.	发明人
分类号	E02B7/18	主分类号	E02B7/18
代理机构		代理人
主权项
地址

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