Language:Chinese.paperback.Pub Date:2019-12-01.publisher:China University of Mining and Technology Press.description:Paperback. Pub Date: 2019-12-01 Pages: 116 Language: Chinese Publisher: China University of Mining and Technology Press ``Integrated Gas Prevention Technology and Engineering Application for Low Permeability and High Gas Coal Seam and Large Mining He
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paperback. Zustand: New. Paperback. Pub Date: 2019-12-01 Pages: 116 Language: Chinese Publisher: China University of Mining and Technology Press ``Integrated Gas Prevention Technology and Engineering Application for Low Permeability and High Gas Coal Seam and Large Mining Height'' The main content includes the occurrence of coal mine gas. coal mines Gas emission. low-permeability and high-gas coal seam. large-height mining unrelief gas comprehensive prevention technology. low-permeability and high-gas coal seam large. Bestandsnummer des Verkäufers NS056122
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