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ZA8307225B
|
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Coal cutting equipment
|
|
GB1521772A
|
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Mining machine haulage driving device
|
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GB1521535A
|
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Mining machine cutting drum reduction gear drive arranged in a narrow pivotal arm
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GB1472590A
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Apparatus for use in tunnelling
|
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GB1484720A
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Troughed idler roller steering assembly
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|
ZA7502057B
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Tunneling machine
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GB1472589A
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Tunnelling apparatus
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GB1521687A
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Mining machine haulage installation
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ZA7403936B
|
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Improvements in or relating to rockcutting machines
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GB1501113A
|
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Tunnelling machines
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|
GB1426965A
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Haulage chain tension measuring device treating exhaust products of combustion
|
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GB1440961A
|
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Idler roller bearing unit
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GB1407288A
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Sealing device
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GB1404013A
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Tunnelling apparatus
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GB1384173A
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Overload cut-out mechanism for mining machine mechanical haulage mechanism
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GB1388291A
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Mineral mining machine having steering means
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GB1424202A
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Tunnel shield with gathering arms
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GB1357180A
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Cutting drum for mineral mining machine
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GB1404140A
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Haulage chain tensioning device
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GB1368247A
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Timer systems
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