Dangos 1 - 7 canlyniadau o 7 ar gyfer chwilio 'International Road Federation', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    World road statistics = Statistiques routières mondiales = Welt-Strassen-Statistik.
    Cyfresol
    “...International Road Federation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  2. 2
    IRF Road Seminar /
    Llyfr
    Cyhoeddwyd 1957
    “...International Road Federation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  3. 3
    The financing of highways and highway systems in developing countries /
    Llyfr
    Cyhoeddwyd 1966
    “...International Road Federation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  4. 4
    The use of local materials in the development of the rural road system in N.W. Victoria /
    Trafodyn Cynhadledd Llyfr
    gan Upton, L.
    Cyhoeddwyd 1968
    “...International Road Federation Pacific Regional Conference...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  5. 5
    [Proceedings].
    Trafodyn Cynhadledd Cylchgrawn
    Cyhoeddwyd 1953
    “...International Road Federation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  6. 6
    Reports presented at the Second International Course in traffic engineering held at Bürgenstock, Switzerland from 20-25 September, 1954 /
    Trafodyn Cynhadledd Llyfr
    Cyhoeddwyd 1954
    “...International Road Federation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
  7. 7
    World survey of current research and development on roads and road transport /
    Cyfresol
    Cyhoeddwyd 1987
    “...International Road Federation...”
    Ychwanegu at ffefrynnau
    Wedi'i Gadw mewn:
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