ISO 2950-1974 褐煤 基于全水分和焦油产率的分类

标准号：ISO 2950-1974
中文标准名称：褐煤 基于全水分和焦油产率的分类
英文标准名称：Brown coals and lignites; Classification by types on the basis of total moisture content and tar yield
标准类型：D21
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：D21
国际标准分类号：73.040
适用范围：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.