|
EP0142227A2
|
|
Tunnelling machines
|
|
GB2085997A
|
|
Repairing flexible ducting
|
|
GB2061437A
|
|
Joining lengths of flexible ducting
|
|
GB1580995A
|
|
Bulk material containers for use in mines
|
|
GB1494800A
|
|
Moulding articles of glassfibre reinforced cement materials
|
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GB1470841A
|
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Window frames and the manufacture thereof
|
|
US4019327A
|
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Mining
|
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DE2461840A1
|
|
Iron oxide conversion into iron - by mixing with coal dust, carbon black and resin, forming briquettes and reducing in blast furnace
|
|
GB1446223A
|
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Moulding of cementitious articles
|
|
GB1434406A
|
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Iron oxide material for smelting
|
|
GB1468811A
|
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Apparatus for mixing and pumping cement grout
|
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GB1421340A
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Roof supports in mines
|
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GB1444892A
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Moulding of fibre reinforced cementitious articles
|
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GB1446311A
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Methods for tunnelling shaft-sinking and hole boring ant to apparatus for use therein
|
|
GB1417001A
|
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Moulding of reinforced cementitious articles
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GB1363887A
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Mining
|
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GB1362954A
|
|
Mining
|
|
GB1333162A
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|
Pipes and cylindrical structural members
|
|
GB1314253A
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Cementitious composite materials
|
|
GB1223326A
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Improvements in or relating to stemming ampoules
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