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US4547098A
(en)
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Mining equipment, mainly for extraction of heavy beds
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CS229507B1
(en)
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Support unit for coal or industrial minerals seam mining in benches and/or by roof enlarging
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US3447328A
(en)
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Mine roof supports
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PL62475B1
(enrdf_load_html_response)
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US1512936A
(en)
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Self loading and unloading scraper and method for operating the same
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PL125823B1
(en)
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Mining apparatus for mining minerals
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US1480623A
(en)
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Automatic fluid-pressure-operated machine shovel
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US2973536A
(en)
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Scraper for removing coal dust and other materials from coal mine floors
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SU1134726A1
(ru)
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Агрегат дл выемки мощных пластов угл
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US5104267A
(en)
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Roof supports for a mining installation
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US3524531A
(en)
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Gallery-roadway transfer in pit coal long-wall working where the longwall conveyor lies with its drive head in the bottom roadway
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US4196933A
(en)
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Safety wall cutting through method employed in long wall mining
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DE562878C
(de)
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Tagebauanlage zum Gewinnen und Umlagern von Gebirgsschichten
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US2916274A
(en)
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Mining machine having an arcuate cutter feed
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US2969886A
(en)
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Muck bailing attachment for mine skips
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US4069676A
(en)
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Mine packing equipment
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SU911041A1
(ru)
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Агрегат дл выемки угл
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US3136535A
(en)
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Mining machine having lateral roller cutters
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US3791155A
(en)
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Stowing and packing debris in mines
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SU972148A1
(ru)
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Погрузочна машина
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US4266828A
(en)
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Apparatus on drum shearer for cutting through safety wall in long wall mining
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SU612022A1
(ru)
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Черпающее устройство драги
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RU2498076C2
(ru)
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Устройство для забойного пересыпа
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DE656026C
(de)
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Mit zum Hoch- und Tiefbaggern geeignetem Bagger ausgeruestete Abraumfoerderbrueckenanlage fuer Tagebaue
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DE559511C
(de)
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Abraumgewinnungs- und Foerdergeraet
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