ISO 2950:1974 PDF
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Brown coals and lignites — Classification by types on the basis of total moisture content and tar yield
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.
| Edition | 1974 |
|---|---|
| Published Date | 1974 |
| Published By | International Standardization Organisation |
| Page Count | 2 |
