Hard coal and coke — Mechanical sampling — Part 4: Coal — Preparation of test samples
硬煤和焦炭 - 机械取样 - 第4部分:煤 - 试样的制备
发布日期:
2016-06-23
ISO 13909-4:2016描述了煤炭样品的制备,从初级增量的组合到特定试验样品的制备。
ISO 13909-4:2016 describes the preparation of samples of coal from the combination of primary increments to the preparation of samples for specific tests.