Escalier en béton armé préfabriqué.,申请号BE19600597369-传众专利搜索

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发明名称	Escalier en béton armé préfabriqué.
摘要
申请公布号	BE597369(A1)	申请公布日期	1961.03.15
申请号	BE19600597369	申请日期	1960.11.22
申请人	ENTREPRISES GENERALES DE NAMUR (ENGENA);HENRI VAN DEN BOSSCHE	发明人
分类号	(IPC1-7):E04F	主分类号	(IPC1-7):E04F
代理机构		代理人
主权项
地址

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