Registration number (WIID)Project No.TitleStatus
79740ISO 17247:2020Coal and coke — Ultimate analysisStandarts spēkā
79738ISO 334:2020Coal and coke — Determination of total sulfur — Eschka methodStandarts spēkā
79739ISO 587:2020Coal and coke — Determination of chlorine using Eschka mixtureStandarts spēkā
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