GB 5751-1986
Replaced
GB/T 31089-2014
Active
National standards
GB/T 31089-2014 Computation and requirement of recovery ratio of coal mine
GB/T 31089-2014 Computation and requirement of recovery ratio of coal mine
Basic Information
Standard Code:
GB/T 31089-2014
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Solid fuel mine
ICS Name:
\nCoal
Publish Date:
2014-12-22
Implement Date:
2015-06-01
Pages:
7 pages
Scope
This standard specifies the terminology, calculation methods, and requirements for the mining recovery rate of coal mines.
This standard is applicable to coal mines with underground mining methods.
Development Information
Referenced Standards
生产矿井储量管理规程[(1983)煤生字第1275号]
矿井地质规程(试行)[(1984)煤生字第607号]
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