Joint pour tuyaux en béton frettés,申请号FRD913261-传众专利搜索

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发明名称	Joint pour tuyaux en béton frettés
摘要
申请公布号	FR913261(A)	申请公布日期	1946.09.03
申请号	FRD913261	申请日期	1945.08.09
申请人	SOCIETE CONTINENTALE ET COLONIALE DE CONSTRUCTION	发明人
分类号	F16L13/12	主分类号	F16L13/12
代理机构		代理人
主权项
地址

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