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US2899800A
(en)
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Apparatus for mine roof control |
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DE3543060C1
(de)
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Fahrbarer Unterstuetzungsaufbau
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CN103643975B
(zh)
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一种用于急倾斜中厚煤层柔性掩护系统的支护单元
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US2826898A
(en)
|
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Apparatus for mine roof control
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US2496694A
(en)
|
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Mining machine protective cover unit
|
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DE1092413B
(de)
|
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Hydraulisches Strebausbauelement
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DE1139084B
(de)
|
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Fahrbares, rahmenartiges Strebausbauglied
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GB666567A
(en)
|
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Improvements in or relating to roof supports for mines
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US4107931A
(en)
|
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Progressive timbering device
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US4114385A
(en)
|
|
Roof support
|
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DE1025811B
(de)
|
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Mehrteiliger Ausbaurahmen fuer den wandernden Grubenausbau
|
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DE2901255C2
(de)
|
|
Schildausbaugestell
|
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DE1171859B
(de)
|
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Abstuetzvorrichtung fuer gebraeches Hangende
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DE1030282B
(de)
|
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Rahmenartiges Ausbauglied, insbesondere fuer den Strebausbau
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FR1255168A
(fr)
|
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Perfectionnements apportés aux éléments de soutènement hydrauliques pour couloirs d'abattage de mines
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DE1302861B
(enrdf_load_stackoverflow)
|
|
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GB2031494B
(en)
|
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Chassis with an articulated track
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DD8811A
(enrdf_load_stackoverflow)
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