产品描述SECOND-HAND DRILLING RIG, MOD. URB-ZAZ01 NO. 1050, YEAR OF ISSUE. 1993, PARTLY DISSOLVED. TYPE, DESIGNED FOR DRILLING WELLS WITH DEPTH 300-700M, AT DIAM. DRILL PIPE DIAM. 60.3-89MM, NOT MOUNTED ON AUTO CHASSIS, COMPLETION: DRILLING UNIT (INCLUDING MAST WITH LINE[展开]