DZ/T 0044-1993
Replaced
Standards
Current Category: CN-DZ - Geology
DZ/T 0046-1993
Replaced
DZ/T 0046-1993
DZ/T 0047-1993
Active
DZ/T 0047-1993 Hydraulic Well Drilling Machine Technical Specification
DZ/T 0048-1993
Active
DZ/T 0048-1993
DZ/T 0049-1993
Active
DZ/T 0049-1993 Quality grading regulations for rotary peristaltic drill rigs for geological core sampling
DZ/T 0050-1993
Active
DZ/T 0050-1993 The technical specifications for stand-pipe type geological core drilling machines
DZ/T 0051-1993
Replaced
DZ/T 0051-1993 Geological core drilling rig series
DZ/T 0052-1993
Active
DZ/T 0052-1993 Tunnel Drilling Rig Series
DZ/T 0053-1993
Replaced
DZ/T 0053-1993 The Manual for Liquid-powered Impact Rotary Drilling Technology
DZ/T 0054-1993
Replaced
DZ/T 0054-1993
DZ/T 0055-1993
Active
DZ/T 0055-1993 Hydraulic well drilling hard metal drill bit
DZ/T 0056-1993
Active