GB/T 6374-1986
Replaced
MT/T 62-1997
Active
Industry standards-Coal
MT/T 62-1997 Mt/t 62-1997 Test methods and judgment rules for safety degree of underground flammable gas explosionproof detonators allowed for use in coal mines
MT/T 62-1997 Mt/t 62-1997 Test methods and judgment rules for safety degree of underground flammable gas explosionproof detonators allowed for use in coal mines
Basic Information
Standard Code:
MT/T 62-1997
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Special equipment and supplies for coal mines
ICS Name:
Drilling and excavation equipment
Publish Date:
1997-12-12
Implement Date:
1998-02-01
Pages:
5 pages
Development Information
Related Standards
GB/T 9151-1988
Replaced
GB/T 9151-1988 Terms of drilling engineering
GB/T 12761-1991
Replaced
GB/T 12761-1991 Raise-boring machines
GB/T 13343-1992
Replaced
GB/T 13343-1992 Blast hole tricone rock bits
GB/T 13344-1992
Replaced
GB/T 13344-1992 Downhole drill hammers and bits
GB/T 14446-1993
abolished_transferred