General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 18023-2000
Scope
This standard specifies the classification, description content and requirements of bituminous coal macroscopic coal rock types. This standard applies to the observation and research of coal seams, coal cores and coal samples. Anthracite can also be used as a reference.
GB/T 18023-2000 history
2000GB/T 18023-2000 Classification of macrolithotype for bituminous coal