MT/T 720-1997 Active Industry standards-Coal

MT/T 720-1997 Technical conditions of automatic preventing explosion and extinguish device for the gas drainage piping

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 720-1997

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Health, safety, and labor protection

ICS Name: Electric equipment for use in explosive environments

Publish Date: 1997-12-30

Implement Date: 1998-07-01

Pages: 9 pages

Development Information

Word Count: 14 Thousand words Pages: 9 pages

Referenced Standards

GB 191-1990 GB/T 2423.1-1989 GB/T 2423.2-1989 GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB 3836.1-1983 GB 3836.3-1983 GB/T 6388-1986 Transport package shipping mark GB/T 10111-1988 Methods for random sampling by utilizing dices of random number

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