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GB725721A
|
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Endless saw for cutting stone and like hard material
|
|
GB692183A
|
|
Chains for the sawing of stone and other like hard material
|
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GB656618A
|
|
Device for dressing and polishing stone and the like hard material
|
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GB656667A
|
|
Improvements in or relating to machines for cutting into mine, quarry and the like walls
|
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GB655640A
|
|
Improvements in machines for boring in stone and like materials
|
|
GB691172A
|
|
Improvements in or relating to band-saws for sawing stone
|
|
US2695775A
|
|
Multiple drill kerf cutter
|
|
GB686372A
|
|
Improvements in or relating to a device for drilling rocks, stone and the like
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