Abstract
Brown coals are classified in this International Standard according to the following properties: total moisture content calculated on the ash-free basis; tar hiels calculated on the dry, ash-free basis. In tables class numbers, group number and code numbers of brown coal types are given.
General information
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Status: PublishedPublication date: 1974-02Stage: Close of review [90.60]
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Edition: 1Number of pages: 2
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Technical Committee :ISO/TC 27/SC 5ICS :73.040
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