Hollow article of concrete and the like,申请号US19460645395-传众专利搜索

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发明名称	Hollow article of concrete and the like
摘要
申请公布号	US2571578(A)	申请公布日期	1951.10.16
申请号	US19460645395	申请日期	1946.02.04
申请人	SOCIETE CONTINENTALE ET COLONIALE DE CONSTRUCTION, SOCIETE ANONYME	发明人	VAN CHRISTIAN MARIE CORNEILLE JANSSENS
分类号	F16L25/00	主分类号	F16L25/00
代理机构		代理人
主权项
地址

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