ISO 13909-8:2001

Заменен

Hard coal and coke. Mechanical sampling. Part 8. Methods of testing for bias — 38 стр.

Заменен на

ISO 13909-8:2016

ICS

73.040 Coals / Угли

75.160.10 Solid. Including coal products, coke, peat, wood, derivatives of coal pyrolysis, etc. / Твердое топливо. Включая угольные продукты, кокс, торф, древесину и т.д.