This standard applies to vertical axis core drilling rigs for geological exploration.
DZ 19-1982 history
2017DZ/T 0051-2017 Geological core drilling rig type and specification series
1982DZ 19-1982 Vertical shaft geological core drilling rig series
DZ 19-1982 Vertical shaft geological core drilling rig series was changed to DZ/T 0051-2017 Geological core drilling rig type and specification series.