Webb, Christopher Frederick
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=== Leben === | === Leben === |
Revision as of 15:18, 5. Apr 2006
Christopher Frederick Webb
(* Tag.Monat.Jahr in ..., † Tag.Monat.Jahr in ...)
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1 Leben
2 Werke
2.1 Maschinen, Geräte

2.2 Patente

3 Literatur
4 Weblinks
5 Sonstiges
Patents:


Mehr...

- Patent:CA395288 18.03.1941 Webb, Christopher Frederick Bell Punch Comp. Ltd
:
Calculating machine - Patent:CA395289 18.03.1941 Webb, Christopher Frederick Bell Punch Comp. Ltd
:
Calculating machine - Patent:CA536041 22.01.1957 Webb, Christopher Frederick Bell Punch Comp. Ltd
:
Calculating machine

- Patent:CH314045 31.05.1956 Webb, Christopher Frederick :
Rechenmaschine - Patent:CH331263 15.07.1958 Webb, Christopher Frederick :
Elektrische, tastengesteuerte Rechenmaschine

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