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US4406375A
(en)
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Telescopic boom construction
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US5129480A
(en)
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Articulated parallelogram boom assembly synchronization device
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(en)
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Vertical plate freezer
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US3307713A
(en)
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Telescoping boom for material handling mechanism
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GB2149742A
(en)
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Equipment for discharging profiled steel rods from rollerways
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US4189258A
(en)
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Walking mine-roof support
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DE2944885C2
(de)
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Einrichtung zur Einstellung des Schnitthorizontes eines Hobels o.dgl.
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US4139325A
(en)
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Mine roof supports
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US3379412A
(en)
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Chain column mechanism
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PL117265B1
(en)
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Variable height filling screen in particular for use with blown in fillingsazom dlja ehkspluatacii s pnevmaticheskojj zakladkojj
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PL80728B1
(env)
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RU97115147A
(ru)
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Телескопическая головка скребкового конвейера
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PL114247B1
(en)
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Walking roof support trestle
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PL88210B1
(env)
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PL127203B1
(en)
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Shiftable mine dam
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PL93301B1
(env)
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|
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SU953219A1
(ru)
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Шахтна комплектна крепь
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GB1385884A
(en)
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|
Load raising and lowering jacking apparatus
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SU815313A1
(ru)
|
|
Пневмобаллонна крепь
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SU742594A1
(ru)
|
|
Крепь сопр жени
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SU1115982A1
(ru)
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Съемно-загрузочное устройство Макарова А.П.
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PL63630B1
(env)
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|
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SU914704A1
(en)
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Mooring arrangement
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CA1093506A
(en)
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Multi-section lifting boom
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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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