MT 644-1997
Active
GB/T 15335-2006
Replaced
National standards
GB/T 15335-2006 Determination of leakage rate and specific resistance for air duct
GB/T 15335-2006 Determination of leakage rate and specific resistance for air duct
Basic Information
Standard Code:
GB/T 15335-2006
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Mine machinery and equipment
ICS Name:
Other mining equipment
Publish Date:
2006-02-16
Implement Date:
2006-08-01
Pages:
10 pages
Development Information
Replace the following standards
Superseded by the following standards
Referenced Standards
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active