Standards

Current Category: CN-DZ - Geology

Status: Active
All Active Pending Replaced Abolished Abolished (Transferred)
Publish Year: 2021& Before
All 2026 2025 2024 2023 2022 2021& Before
DZ/T 0047-1993 Active

DZ/T 0047-1993 Hydraulic Well Drilling Machine Technical Specification

Publish Date: 1993-02-19
DZ/T 0048-1993 Active

DZ/T 0048-1993

Publish Date: 1993-02-19
DZ/T 0049-1993 Active

DZ/T 0049-1993 Quality grading regulations for rotary peristaltic drill rigs for geological core sampling

Publish Date: 1993-02-19
DZ/T 0050-1993 Active

DZ/T 0050-1993 The technical specifications for stand-pipe type geological core drilling machines

Publish Date: 1993-02-19
DZ/T 0052-1993 Active

DZ/T 0052-1993 Tunnel Drilling Rig Series

Publish Date: 1993-02-19
DZ/T 0055-1993 Active

DZ/T 0055-1993 Hydraulic well drilling hard metal drill bit

Publish Date: 1993-02-19
DZ/T 0056-1993 Active

DZ/T 0056-1993 Hydraulic well drilling tri-cone drill bit

Publish Date: 1993-02-19
DZ/T 0057-1993 Active

DZ/T 0057-1993 Hydraulic well drilling drill bit with drill stone

Publish Date: 1993-02-19
DZ/T 0058-1993 Active

DZ/T 0058-1993 The rock core drilling tool used for geological drilling

Publish Date: 1993-02-19