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Coal and coke. Mechanical sampling. Preparation of test samples of coal.

Coal and coke — Mechanical sampling — Part 4: Preparation of test samples of coal

Overview ISO 13909-4:2025 - "Coal and coke - Mechanical sampling - Part 4: Preparation of test samples of coal" (Third edition) specifies how to prepare coal test samples from primary increments thro…

Hard coal and coke — Mechanical sampling — Part 4: Coal — Preparation of test samples

Overview ISO 13909-4:2016, "Hard coal and coke - Mechanical sampling - Part 4: Coal - Preparation of test samples", specifies procedures for preparing coal test samples from primary increments throug…

Tracked Changes. Coal and coke. Mechanical sampling. Preparation of test samples of coal.