Improved method for the manufacture of flues or ventilation and service ducts of cast cementitious aggregate,申请号IT1992UD00116-传众专利搜索

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发明名称	Improved method for the manufacture of flues or ventilation and service ducts of cast cementitious aggregate
摘要
申请公布号	IT1260564(B)	申请公布日期	1996.04.16
申请号	IT1992UD00116	申请日期	1992.06.26
申请人		发明人
分类号	E04B;(IPC1-7):E04B	主分类号	E04B
代理机构		代理人
主权项
地址

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