MT/T 722-1997 Abolished Industry standards-Coal

MT/T 722-1997 Network blocking exploders for coal mines

Publish Date: 1997-12-30 Implement Date: 1998-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: MT/T 722-1997

Standard Type: Industry standards

Standard Status: Abolished

is_force_gb: no

CCS Name: Explosion-proof electrical appliances

ICS Name: Electric equipment for use in explosive environments

Publish Date: 1997-12-30

Implement Date: 1998-07-01

Pages: 8 pages

Development Information

Word Count: 9 Thousand words Pages: 8 pages

Referenced Standards

GB 191-1990 GB 3836.1-1983 GB 3836.2-1983 GB 3836.4-1983 GB/T 6388-1988 GB/T 7958-1987 GB/T 10111-1988 Methods for random sampling by utilizing dices of random number MT/T 154.10-1996 The method for preparing model numbers of safety instruments and instruments for coal mining and management measures

Related Standards

GB 5590-1985 Replaced

GB 5590-1985 Mining type flameproof electric magnetic starters

Publish Date: 1985-11-20

GB 3836.9-1990 Replaced

GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m"

Publish Date: 1990-08-27

GB 3836.11-1991 Replaced

GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap

Publish Date: 1991-05-27

GB 3836.12-1991 Replaced

GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents

Publish Date: 1991-05-27

GB 3836.13-1997 Replaced

GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres

Publish Date: 1997-12-30

MT 703-1997 Replaced

MT 703-1997 Technical condition of electro-chemical type carbon monoxide instrumentation for coal mine

Publish Date: 1997-12-30