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Application filed by Korfmann Gmbh MaschffiledCriticalKorfmann Gmbh Maschf
Publication of BE595522ApublicationCriticalpatent/BE595522A/fr
E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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Engineering & Computer Science
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Mining & Mineral Resources
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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Geochemistry & Mineralogy
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Geology
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Earth Drilling
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BE595522A1959-09-281960-09-28Procédé et dispositif pour assurer l'hermeticité des forages d'exhaustion de gaz dans les exploitations minières
BE595522A
(fr)