Kód: 17188063
This document details several practical guidelines which are recommended for controlling and monitoring methane levels in the face areas of underground coal mines. Most of the recommendations were based on studies conducted in the ... celý popis
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This document details several practical guidelines which are recommended for controlling and monitoring methane levels in the face areas of underground coal mines. Most of the recommendations were based on studies conducted in the NIOSH ventilation test ga
17.84 €
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