Patent:GB349512

Patent:	GB 349512
Titel:	Improvements in or relating to punching machines for perforating, and adding the amounts so recorded on, statistical record-cards
Datum:	26.05.1931
Ort:
Land:	Großbritannien
Person:
Firma:	British Tabulating (P) Mach Co Ltd
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Link zum Patentamt: (ohne Garantie)	GB349512

Aus der Patentschrift GB349512

DATUM: 26.05.1931
TITEL: Improvements in or relating to punching machines for perforating, and adding the amounts so recorded on, statistical record-cards
PERSON: BRITISH TABULATING MACH CO LTD
Patent Family: ( Patent:DE546302, Patent:GB349512, Patent:US1987310 )

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