Synonyms were used for: Hubschrauber
Search without synonyms: keywords:("Hubschrauber")

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    Construction, control system and airworthiness requirements of N.H.I.-Kolibrie

    Kuipers, W.A. | Engineering Index Backfile | 1959
    Keywords: Helicopters

    Design of transport helicopter

    Postle, D.E. | Engineering Index Backfile | 1954
    Keywords: Helicopters

    Artillery surveys by helicopter

    Deane, W.F. | Engineering Index Backfile | 1951
    Keywords: Helicopters

    Will captive helicopters replace the observation balloon?

    Engineering Index Backfile | 1923
    Keywords: Helicopters

    Air travel with special reference to the helicopter

    Green, F.M. | Engineering Index Backfile | 1923
    Keywords: Helicopters

    A helicopter for military purposes

    Engineering Index Backfile | 1921
    Keywords: Helicopters

    The actual state of the helicopter problem

    DeBothezat, G. | Engineering Index Backfile | 1921
    Keywords: Helicopters

    The Hewitt-Crocker helicopter

    Crocker, Francis Bacon | Engineering Index Backfile | 1920
    Keywords: Helicopters