DR 98647被替代
Guide to the determination of gas content of coal - Direct desorption method
出版：Standards Australia
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基本信息
标准编号： DR 98647
标准类别：Draft
出版单位：Standards Australia
标准页数：0
标准简介
Proposes methods for the determination of the measurable gas content of coal seams using lump or core samples obtained by surface drilling and from underground. Both the slow-desorption and fast-desorption methods are covered.
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