Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio '', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    The economics of invention and innovation with a case study of the development of the hovercraft gan Johnson, P. S.

    Cyhoeddwyd 1975
    Llyfr

    The economics of invention and innovation with a case study of the development of the hovercraft
  2. 2

    Air-cushion vehicles for use in developing countries .

    Cyhoeddwyd 1974
    Llyfr

    Air-cushion vehicles for use in developing countries .
  3. 3

    Jane's surface skimmer systems

    Cyhoeddwyd 1967
    Llyfr

    Jane's surface skimmer systems

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