
Methods for the petrographic analysis of bituminous coal and anthracite Part 1: Vocabulary
出版:International Organization for Standardization

专家解读视频
GB/T 12937-2008 - Modified
KS E ISO 7404-1:2003 - Identical
BS 6127-1:1995 - Equivalent
DIN 23004-2 (1988-05) - Identical
DIN 22020-1 (1998-08) - Identical
PN ISO 7404-1:1999 - Identical