DZ 2.2-1987 Replaced Industry standards-Geology

DZ 2.2-1987 Diamond enlarger for geological drilling

Publish Date: 1987-09-12 Implement Date: 1987-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DZ 2.2-1987

Standard Type: Industry standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1987-09-12

Implement Date: 1987-11-01

Publisher: The Ministry of Geology and Mineral Resources of the People's Republic of China

Pages: 12 pages

Development Information

Drafting Units:

The Standard Compilation Group for Diamond Bits and Reamers of the Ministry of Land and Resources

Word Count: 14 Thousand words Pages: 12 pages

Same series standard

DZ 2.1-1987 Geological diamond drill bit

Replace the following standards

DZ 2-1978

Related Standards

DZ/T 0101.12-1994 Active

DZ/T 0101.12-1994 Geological instrument manufacturing time quota for printed circuit board

Publish Date: 1994-01-27

JJG 204-1980 Active

JJG 204-1980 Meteorological Ventilation Psychrometer

Publish Date: 1980-07-11

SC 53-1980 Active

SC 53-1980 Transfer blade hydraulic steering gear repair quality standard

Publish Date: 1981-07-01

DZ 4-1981 Replaced

DZ 4-1981

Publish Date: 1981-08-20

SC 69-1982 Active

SC 69-1982 ZSS-12 Flash-type seawater desalination production device technical specifications

Publish Date: 1982-01-20

SC 72-1982 Active

SC 72-1982 Steel Fishing Boat Builder Quality Standards and Mooring Equipment Installation Technical Requirements

Publish Date: 1982-03-30