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SU693027A1
(ru)
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Фронтальный агрегат
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US20050058508A1
(en)
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Boat lift
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EP0068004B1
(en)
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Unloading means for bulk material
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PL132639B1
(en)
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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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PL63630B1
(enrdf_load_stackoverflow)
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US3355213A
(en)
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Mine roof supports and conveyors for use in conjunction therewith
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US5979642A
(en)
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Extendable modular conveyor assembly
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US5252006A
(en)
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Mine roof support
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US3441317A
(en)
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Roof supporting arrangement including cantilevered roof bar carrying extensible roof supporting cap and cutter means
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GB2051937A
(en)
|
|
Mine roof support
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US4227679A
(en)
|
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Hoist with two or more hoisting units
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PL90458B1
(enrdf_load_stackoverflow)
|
|
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CN108547654B
(zh)
|
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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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CN207484995U
(zh)
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一种绿色施工一体化卸料平台
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US20200131906A1
(en)
|
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Roof support connector
|
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US2854768A
(en)
|
|
Forward dump scraper and control means therefor
|
|
US4411559A
(en)
|
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Mining system
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GB2080380A
(en)
|
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Mine Roof Supports
|
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US2781866A
(en)
|
|
Hydraulic lift
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JPS59106692A
(ja)
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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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EP3173367B1
(en)
|
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Movable lift apparatus
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US3285661A
(en)
|
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Planer and reinforcement guide follower arrangement
|
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RU1794195C
(ru)
|
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Конвейерна установка
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US20090039695A1
(en)
|
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Guide frame for guiding conveyor segments in high wall mining
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HU176298B
(en)
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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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