
Hard coal - Determination and presentation of float and sink characteristics - General directions for apparatus and procedures
出版:International Organization for Standardization

专家解读视频
PN ISO 7936:1999 - Identical
BS 7067:1990 - Similar
DIN 22018 (1985-01) - Identical
JIS M 8801:2004 - Identical
GB/T 478-2008 - Modified