Air regulation systems in mining - Wing air doors for haulage tracks - Double-wing type doors with pressure reduction
实施日期:1995-10-01
实施日期:2007-09-01
Determination of chromium cadium and lead in coal
发布日期:2007-11-01 实施日期:2008-06-01
Determination of bulk density of Coal in a small container
发布日期:2011-11-16 实施日期:2012-05-01
Investigations of raw material in hard-coal-mining - Microscopical examination of hard coal, coke and briquettes - Part 3: Maceral analysis on particulated blocks
Conveyor belts with textile plies for coalmining; rubber- or PVC-belts with two plies for underground applications; dimensions, requirements
实施日期:2006-09-01
Specifications of anthracite for determination of caking index of bituminous coal
发布日期:2010-09-26 实施日期:2011-02-01
实施日期:2005-06-27
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
Products used for treatment of water intended for human consumption - Anthracite
实施日期:2006-01-01
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
实施日期:2008-12-01
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