Patent:GB152640

Patent:	GB 152640
Titel:	Statistical data representation systems and co-operating differential mechanism for perforated record card controlled statistical machines.
Datum:	29.12.1920
Ort:
Land:	Großbritannien
Person:	Peirce, John Royden (P)
Firma:
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Link zum Patentamt: (ohne Garantie)	GB152640

Aus der Patentschrift GB152640

DATUM: 29.12.1920
TITEL: Statistical data representation systems and co-operating differential mechanism for perforated record card controlled statistical machines
PERSON: JOHN ROYDEN PEIRCE
Patent Family: ( Patent:DE375017, Patent:FR525902, Patent:GB131902, Patent:GB152640, Patent:US1930283 )

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