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Die große Enzyklopädie des mechanischen Rechnens

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Search results for: Adrema


 
  • Patent:DE519766 04.03.1931 Adrema (P) Maschinenbau : Zehnerschaltung für Rechenwerke
  • Patent:GB338038 13.11.1930 Adrema (P) Maschinenbau : Improvements in and relating to an address-printing machine with means for operating a calculating machine
  • Patent:GB380612 22.09.1932 Adrema (P) Maschinenbau : Improvements in or relating to address-printing and calculating machines
  • Patent:GB773136 24.04.1957 Adrema (P) Werke Gmbh : Apparatus for adding values with the aid of address printing plates

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