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Chwilio
Nôl i Ganlyniadau
National Coal Board Production Department
Diwydiant
Automatic Control Devices for Conveyor Belt Sprays (leaflet)
National Coal Board Production Department
2018.42/169
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Diwydiant
The Bi-Di Cowl for Anderton Shearer Loaders (booklet)
National Coal Board Production Department
2018.42/196
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Diwydiant
Water Tanks for Dust Supression in Drilling (booklet)
National Coal Board Production Department
2018.42/112
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Diwydiant
Experience in Compressed-Air Blasting (booklet)
National Coal Board Production Department
2018.42/171
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Diwydiant
Mine Car handling underground at Ledstone Luck Colliery (booklet)
National Coal Board Production Department
2018.42/81
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Diwydiant
Preservation of mining timber (booklet)
National Coal Board Production Department
2018.42/57
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Diwydiant
Steam Winder Restriction Gear at Birch Coppice Colliery (booklet)
National Coal Board Production Department
2018.42/114
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Diwydiant
Installation of a Blackett Barrel Washer (booklet)
National Coal Board Production Department
2018.42/95
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Diwydiant
Statistics of Mechanised Output for the Year 1962 (booklet)
National Coal Board Production Department
2001.1/1048
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Diwydiant
A Dutch Automatic Loading Station for Mine Cars (booklet)
National Coal Board Production Department
2018.42/198
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Diwydiant
Horrocks Rope Operated Loading Ram (leaflet)
National Coal Board Production Department
2018.42/70
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Diwydiant
Statistics relating to Mechanised Output (booklet)
National Coal Board Production Department
2018.42/157
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