Retenue d'eau à vanne souple,申请号FR19610855824-传众专利搜索

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发明名称	Retenue d'eau à vanne souple
摘要
申请公布号	FR1291708(A)	申请公布日期	1962.04.27
申请号	FR19610855824	申请日期	1961.03.16
申请人	COMPAGNIE D'INGENIEURS & TECHNICIENS D'ETUDES	发明人
分类号	E02B7/00	主分类号	E02B7/00
代理机构		代理人
主权项
地址

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