Keywords: Otto Scheller 1926.jpg en Otto Scheller 1876-1948 german engineer and inventor 1925 http //ieeexplore ieee org/stamp/stamp jsp arnumber 4501803 unknown - Reprint by Awards Comitee of the IEEE Group of Aerospace and Electronic Systems other versions PD-old-70-1923 C Lorenz AG Uploaded with UploadWizard |