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BEIEN MASCHFAB
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BEIEN MASCHFAB
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Publication of FR1232643ApublicationCriticalpatent/FR1232643A/fr
E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
E21C35/08—Guiding the machine
E21C35/16—Guiding the machine by making use of the timbering, filling, or other supports
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Engineering & Computer Science
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Mining & Mineral Resources
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Mechanical Engineering
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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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FR801494A1958-07-311959-07-29Perfectionnements apportés aux dispositifs mécanisés pour l'abattage et le transport du charbon dans les mines
ExpiredFR1232643A
(fr)
Perfectionnements apportés aux dispositifs et procédés pour creuser progressivement des couloirs d'abattage, plus spécialement des couloirs miniers souterrains