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Preliminary degassing of burst-prone coal seams by means of large-diameter boreholes

✍ Scribed by V. V. Khodot; V. G. Krupenya; G. G. Stepchenkova

Publisher: Springer
Year: 1970
Tongue: English
Weight: 560 KB
Volume: 6
Category: Article
ISSN: 1573-8736
DOI: 10.1007/bf02501452

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