GB/T 12552-1990
Replaced
AQ/T 4257-2015
Abolished
Industry standards-Security
AQ/T 4257-2015 Standard for Prevention and Control of Occupational Hazards of Gemstone Processing Enterprises
AQ/T 4257-2015 Standard for Prevention and Control of Occupational Hazards of Gemstone Processing Enterprises
Basic Information
Standard Code:
AQ/T 4257-2015
Standard Type:
Industry standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Industrial dust and gas prevention and control technology
ICS Name:
Overvoltage protection
Publish Date:
2015-03-06
Implement Date:
2015-09-14
Development Information
Related Standards
GB 567-1999
Replaced
GB 567-1999 Bursting discs and bursting disc devices
GB/T 12353-1999
Replaced
GB/T 12353-1999 Classification and mounting dimensions for domed metal bursting disc devices
GB/T 12241-2005
Replaced
GB/T 12241-2005 Safety valves—General requirements
GB/T 12242-2005
Replaced
GB/T 12242-2005 Performance test code—Pressure relief devices
GB/T 567.1-2012
Active