skos:altLabel | - nationalisation
- nationalised
- NCB
- coal
- '''N'''ational Coal Board
- Coal Board
- Coal Research Establishment
- Coal mining
- N.C.B.
- NCB Black
- NCBs
- Nat. Coal Board
- National Coal Board (NCB)
- National Coal Board's
- National Coal Board's (NCB)
- Nationalised
- nationalisation of British coalmines
- nationalisation of the British coal mines
- nationalisation of the coal
- nationalisation of the coal industry
- the coal industry was nationalised
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