实施日期:2006-11-01
Steelcord conveyor belts for use in underground coal mining; belt joints; dimensions, requirements
Conveyor belts with textile plies for use in coal mining; fire testing
实施日期:2008-12-01
Derivatives from coal pyrolysis - Coal tar based oils: Carbon black feedstock - Specifications and test methods
Products used for treatment of water intended for human consumption - Anthracite
实施日期:2006-01-01
General specifications of Audibert-Arnu dilatometer
发布日期:2005-02-14 实施日期:2005-06-01
Division of variety and grading for coal products
发布日期:2006-09-12 实施日期:2007-02-01
实施日期:2011-04-15
Investigations of the raw material in hard-coal-mining - Microscopical examinations of hard coal, coke and briquettes; Part 5: Reflectance measurements on vitrinites
实施日期:2005-02-01
Method for Determination of Caking Power of Hard Coal-Roga Test
发布日期:1984-09-19 实施日期:1984-09-19
实施日期:2008-12-01
Preparation of hard coal; assessment of preparation equipment and processes - Part 4: separation of solids from water
Determination of bulk density of Coal in a large container
发布日期:2011-11-16 实施日期:2012-05-01
Mine support; graphical symbols for the open loop control of powered support
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