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Nôl i Ganlyniadau
National Coal Board Mining Research and Development Establishment
Diwydiant
M.R.D.E. Report 1973/74
National Coal Board Mining Research and Development Establishment
Church Gate Press (The)
2001.1/961
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Right-angle Modular Gearboxes for AFC Drives (booklet)
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2001.1/902
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Diwydiant
MRDE Some Questions and Answers (booklet)
National Coal Board Mining Research and Development Establishment
H. Cave & Co. Ltd
2001.1/989
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Firedamp Prediction and Control (report)
National Coal Board Mining Research and Development Establishment
2001.1/986
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Diwydiant
M.R.D.E. Annual Report 1977/8
National Coal Board Mining Research and Development Establishment
Denvergraphic Ltd
2001.1/942
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M.R.D.E. Projects 1977/8 (booklet)
National Coal Board Mining Research and Development Establishment
Denvergraphic Ltd
2001.1/941
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Powered Hand Tools for the Coalface (booklet)
National Coal Board Mining Research and Development Establishment
2001.1/900
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Face-end Integration: First Report (booklet)
National Coal Board Mining Research and Development Establishment
2001.1/901
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Outbye Power Packs for Powered Support Installations (report)
National Coal Board Mining Research and Development Establishment
2018.164/14
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Diwydiant
The BM1 Methane Monitor (booklet)
National Coal Board Mining Research and Development Establishment
2001.1/908
Mwy am yr eitem hon
Diwydiant
Safety Switch for Hand-Held Flameproof Elecric Rotary Drills (booklet)
Hughes, H.M.
National Coal Board Mining Research and Development Establishment
2001.1/935
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Diwydiant
Computer Program (APL) for Designing Hydraulic Distribution Systems (booklet)
National Coal Board Mining Research and Development Establishment
2001.1/905
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