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Telescopic boom construction
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Unloading means for bulk material
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Apparatus for mining steep deposits,in particular coal strata and method of placing this apparatus in a steep longwall open-end
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Roof supports for mine workings
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Mine roof supports and conveyors for use in conjunction therewith
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Extendable modular conveyor assembly
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一种轨道式用于摆放电缆的伸缩车
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Mine roof support
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Установка для приема, складирования и выдачи скважинных труб и штанг при спуско-подъемных операциях
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Roof supporting arrangement including cantilevered roof bar carrying extensible roof supporting cap and cutter means
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Hoist with two or more hoisting units
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Roof support connector
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便于控制放煤量的悬移放顶煤液压支架及其使用方法
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Mine Roof Supports
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Mining system
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Hydraulic lift
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ホ−ベルの高さを制御するホ−ベル制御装置
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Planer and reinforcement guide follower arrangement
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Конвейерна установка
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Guide frame for guiding conveyor segments in high wall mining
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Movable lift apparatus
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Device whitch suitable for sustaining and after tightening of longwall cutter and transporter used at sloped longwall
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