
Hard coal and coke - Mechanical sampling Part 4: Coal - Preparation of test samples
出版:International Organization for Standardization

专家解读视频
This part of ISO 13909 describes the preparation of samples of coal from the combination of primary increments to the preparation of samples for specific tests.
SS-ISO 13909-4 : 2019 - Identical
BS ISO 13909-4 : 2016 - Identical
NF ISO 13909-4 : 2005 - Identical
BS ISO 13909-4 : 2016 - Identical
SS-ISO 13909-4 : 2019 - Identical
PN ISO 13909-4 : 2005 - Identical
SANS 13909-4 : 1ED 2002(R2012) - Identical
NEN ISO 13909-4 : 2016 + COR 2016 - Identical
BIS IS 16143-4 : 2014 - Identical