GB/T 17608-2022: Translated English of Chinese Standard (GB/T 17608-2022, GBT17608-2022): Division of variety and grading for coal products
https://www.chinesestandard.net, Feb 16, 2023 - Technology & Engineering - 12 pages
This document specifies the division of coal product varieties and coal quality index grades. This document applies to products of anthracite, bituminous coal, and lignite.
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