GB 5751-1986
Replaced
DB52/T 1040-2025
Active
Guizhou ProvinceLocal standards
DB52/T 1040-2025 Dust-free coal sample preparation room technical specifications
DB52/T 1040-2025 Dust-free coal sample preparation room technical specifications
Basic Information
Standard Code:
DB52/T 1040-2025
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Coal analysis methods
ICS Name:
\nCoal
Publish Date:
2025-04-29
Implement Date:
2025-12-01
Development Information
Replace the following standards
Related Standards
GB 481-1993
abolished_transferred
GB 481-1993 Sampling method of coal sample for production
GB/T 15223-1994
Replaced
GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method
GB/T 15224.1-1994
Replaced
GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal
GB/T 15224.2-1994
Replaced
GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal
GB/T 15224.3-1994
Replaced