Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Report on a Visit to Ruhrkohle A.G. May 1977
Full title - Report on a visit to Ruhrkohle A.G. May 1977. National Coal Board Performance Improvement Team. Report Comparing Progress in Transport in Ruhrkohle A.G. with the National Coal Board. 90 pages in blue covers.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.