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        地礦類硬質合金
        		
			 

        
	德威合金，牌號齊全，可適用于各種地礦類工作?？蛇m用于各類礦山工具、工程工具如潛孔鉆頭、牙輪鉆頭、煤截齒、旋挖齒、銑刨齒、盾構刀具及破碎機拋料頭等