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AU217932B2 - Improvements in or relating to information checking apparatus - Google Patents

Improvements in or relating to information checking apparatus

Info

Publication number
AU217932B2
AU217932B2 AU25024/57A AU2502457A AU217932B2 AU 217932 B2 AU217932 B2 AU 217932B2 AU 25024/57 A AU25024/57 A AU 25024/57A AU 2502457 A AU2502457 A AU 2502457A AU 217932 B2 AU217932 B2 AU 217932B2
Authority
AU
Australia
Prior art keywords
relating
information checking
checking apparatus
information
checking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU25024/57A
Other versions
AU2502457A (en
Inventor
Joshua Sharp John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
Filing date
Publication date
Application filed by British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Application granted granted Critical
Publication of AU2502457A publication Critical patent/AU2502457A/en
Publication of AU217932B2 publication Critical patent/AU217932B2/en
Expired legal-status Critical Current

Links

AU25024/57A 1957-01-31 Improvements in or relating to information checking apparatus Expired AU217932B2 (en)

Publications (2)

Publication Number Publication Date
AU2502457A AU2502457A (en) 1957-08-11
AU217932B2 true AU217932B2 (en) 1957-08-11

Family

ID=

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