METHOD FOR RENEWING LINEAR DUCT BEING UNDER SURFACE WITHOUT DISCLOSURE PARTICULARLY CONCRETE CHANNEL DUCTS AND RENEWING INTERCONNECTING PIPES WITHOUT DISCLOSURE AND JOINING THEM TO THE COLLECTING MAIN,申请号HU19880005782-传众专利搜索

发明名称	METHOD FOR RENEWING LINEAR DUCT BEING UNDER SURFACE WITHOUT DISCLOSURE PARTICULARLY CONCRETE CHANNEL DUCTS AND RENEWING INTERCONNECTING PIPES WITHOUT DISCLOSURE AND JOINING THEM TO THE COLLECTING MAIN
摘要
申请公布号	HU202943(B)	申请公布日期	1991.04.29
申请号	HU19880005782	申请日期	1988.11.11
申请人	KOEZMUE- ES MELYEPITOE VALLALAT,HU	发明人	HARS,BELA,HU;HEGELY,LASZLO,HU;BODISS,JANOS,HU;VARGA,GEZANE,HU;SZILAGYI,LASZLO,HU;VARGA,GEZA,HU
分类号	E03F3/04;E03F3/06	主分类号	E03F3/04
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