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See Chinese contents: GB/T 29722-2021 GB/T 29722-2021: Commercial coal quality -- Coal for entrained-flow gasification
This document specifies the quality grades, technical requirements, test methods, inspection rules, identification, transportation, and storage of coal for entrained-flow gasification. This document is applicable to raw coal for entrained-flow gasification in production, processing, storage and transportation, sales, use, and so on.
