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Patent
Suchergebnisse für: McCaskey Electric Calculator Co.
- Patent:GB191109563 19.06.1912 McCaskey Electric Calculator Co. (P) : Improvements in and relating to Multiplying Arrangements for Calculating Machines
- Patent:GB191204680 19.07.1912 McCaskey Electric Calculator Co. (P) : Improvements in Calculating and like Machines
- Patent:GB191205651 19.07.1912 McCaskey Electric Calculator Co. (P) : Improvements in and relating to Calculating Machines