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AU201501B2 - Improvements in or relating to machines for punching record cards - Google Patents
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AU201501B2 - Improvements in or relating to machines for punching record cards - Google Patents

Improvements in or relating to machines for punching record cards

Info

Publication number
AU201501B2
AU201501B2 AU4789/54A AU478954A AU201501B2 AU 201501 B2 AU201501 B2 AU 201501B2 AU 4789/54 A AU4789/54 A AU 4789/54A AU 478954 A AU478954 A AU 478954A AU 201501 B2 AU201501 B2 AU 201501B2
Authority
AU
Australia
Prior art keywords
relating
machines
record cards
punching record
punching
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
AU4789/54A
Other versions
AU478954A (en
Inventor
Sidney Rhodes Frederick
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.)
POWER-SAMAS ACCOUNTING MACHINES Ltd
Original Assignee
POWER-SAMAS ACCOUNTING MACHINES Ltd
Filing date
Publication date
Application filed by POWER-SAMAS ACCOUNTING MACHINES Ltd filed Critical POWER-SAMAS ACCOUNTING MACHINES Ltd
Application granted granted Critical
Publication of AU201501B2 publication Critical patent/AU201501B2/en
Publication of AU478954A publication Critical patent/AU478954A/en
Expired legal-status Critical Current

Links

AU4789/54A 1954-11-18 Improvements in or relating to machines for punching record cards Expired AU201501B2 (en)

Publications (2)

Publication Number Publication Date
AU201501B2 true AU201501B2 (en) 1955-05-19
AU478954A AU478954A (en) 1955-05-19

Family

ID=

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