首页> 外国专利> SUPPORTING CONSTRUCTION FOR MINE TUNNEL SUPPORT AND SUPPORTING ASSEMBLY FOR CORNER SUPPORT AT THE INTERSECTION FO MINE TUNNEL AND TRANSVERSE LONGWALL AND FOR SUPPORT OF THE JOINING PART OF THE TUNNEL

SUPPORTING CONSTRUCTION FOR MINE TUNNEL SUPPORT AND SUPPORTING ASSEMBLY FOR CORNER SUPPORT AT THE INTERSECTION FO MINE TUNNEL AND TRANSVERSE LONGWALL AND FOR SUPPORT OF THE JOINING PART OF THE TUNNEL

机译:矿山隧道支护的支撑结构和矿山隧道与横向长廊相交处的转角支护以及隧道连接部分的支护

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