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    Göttinger monograph N: German research and development on rotary wing aircraft (1939 - 1945)

    Wall, Berend Gerdes / American Institute of Aeronautics and Astronautics | TIBKAT | 2015

    German research on zinc base bearings

    Hensel, F. R. / Pollitzer, Walter M. | TIBKAT | 1946

    German research on experimental aluminum-base bearings

    Hensel, F. R. / Pollitzer, Walter M. | TIBKAT | 1946

      German research on experimental aluminum-base bearings

      Hensel, F. R. / Pollitzer, Walter M. | TIBKAT | 1946

    German research in the light metals industry

    Frary, Francis C. | TIBKAT | 1946