Joint d'assemblage de tuyaux en béton,申请号FRD1073804-传众专利搜索

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发明名称	Joint d'assemblage de tuyaux en béton
摘要
申请公布号	FR1073804(A)	申请公布日期	1954.09.29
申请号	FRD1073804	申请日期	1953.03.27
申请人	SOCIETE ALGERIENNE DES ENTREPRISES LEON CHAGNAUD & FILS	发明人
分类号	F16L9/08;F16L25/00	主分类号	F16L9/08
代理机构		代理人
主权项
地址

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