发明名称 METHOD FOR BOTTOM SEALING OF WORKING PIT TO BE MADE IN SOIL WELL-DRAINED SOIL BY INJECTING AS WELL AS DEVICE FOR PRODUCING INJECTING MATERIAL PARTICULARLY FOR CARRYING OUT THE METHOD
摘要
申请公布号 HU181622(B) 申请公布日期 1983.10.28
申请号 HU19810000584 申请日期 1981.03.09
申请人 KOEZLEKEDESI ES METRO EPITOE VALLALAT,HU 发明人 BOHN,ISTVAN,HU;HAJNAL,ISTVAN,HU;BURIAN,ZOLTAN,HU
分类号 E02D19/16;(IPC1-7):E02D19/16 主分类号 E02D19/16
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