[国外标准] AWWA C203-1997 Coal-Tar Protective Coatings and Linings for Steel Water Pipelines – Enamel and Tape
[国外标准] AS 4156.8-2007 Coal preparation Part 8 Sample pre-treatment - Dropshatter
[国外标准] AS 1038.21.1.1-2008 Coal and coke-Analysis and testing Part 21.1.1 Higher rank coal and coke-Relativ