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Sampling method of coal sample for production
Translate name
STANDARD published on 19.2.1993
Designation standards: GB 481-1993
Note: WITHDRAWN
Publication date standards: 19.2.1993
SKU: NS-896390
Country: Chinese technical standard
Category: Technical standards GB
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Latest update: 2026-02-04 (Number of items: 2 259 933)
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