Standards

Current Category: CN-DZ - Geology

Status: Replaced
All Active Pending Replaced Abolished Abolished (Transferred)
Publish Year: All
All 2026 2025 2024 2023 2022 2021& Before
DZ 43-1986 Replaced

DZ 43-1986 DDC-2B electronic automatic compensation instrument

Publish Date: 1986-07-01
DZ 40-1985 Replaced

DZ 40-1985

Publish Date: 1985-10-10
DZ 25-1983 Replaced

DZ 25-1983 geological drilling rig drill rod locking joint

Publish Date: 1983-06-04
DZ 26-1983 Replaced

DZ 26-1983 Geological drilling drill pipe locking joint threaded gauge

Publish Date: 1983-06-04
DZ 21-1982 Replaced

DZ 21-1982 Carbide-tipped drill bit

Publish Date: 1982-12-30
DZ 19-1982 Replaced

DZ 19-1982 Screw-jack type geological core drilling machine series

Publish Date: 1982-12-13
DZ 10-1982 Replaced

DZ 10-1982 Diamond drilling of single-action double-layer core-hole tube structure and basic parameters

Publish Date: 1982-06-04
DZ 4-1981 Replaced

DZ 4-1981

Publish Date: 1981-08-20