AU156541B2 - Improvements in or relating to record card perforating machines - Google Patents

Improvements in or relating to record card perforating machines

Info

Publication number
AU156541B2
AU156541B2 AU13199/52A AU1319952A AU156541B2 AU 156541 B2 AU156541 B2 AU 156541B2 AU 13199/52 A AU13199/52 A AU 13199/52A AU 1319952 A AU1319952 A AU 1319952A AU 156541 B2 AU156541 B2 AU 156541B2
Authority
AU
Australia
Prior art keywords
relating
record card
perforating machines
card perforating
machines
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
AU13199/52A
Other versions
AU1319952A (en
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU156541B2 publication Critical patent/AU156541B2/en
Publication of AU1319952A publication Critical patent/AU1319952A/en
Expired legal-status Critical Current

Links

AU13199/52A 1952-10-07 Improvements in or relating to record card perforating machines Expired AU156541B2 (en)

Publications (2)

Publication Number Publication Date
AU156541B2 true AU156541B2 (en) 1952-12-11
AU1319952A AU1319952A (en) 1952-12-11

Family

ID=

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