AU211008B2 - Improvements in highspeed perforators for recording information - Google Patents

Improvements in highspeed perforators for recording information

Info

Publication number
AU211008B2
AU211008B2 AU17691/56A AU1769156A AU211008B2 AU 211008 B2 AU211008 B2 AU 211008B2 AU 17691/56 A AU17691/56 A AU 17691/56A AU 1769156 A AU1769156 A AU 1769156A AU 211008 B2 AU211008 B2 AU 211008B2
Authority
AU
Australia
Prior art keywords
perforators
highspeed
recording information
recording
information
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
AU17691/56A
Other versions
AU1769156A (en
Inventor
Handley 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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU211008B2 publication Critical patent/AU211008B2/en
Publication of AU1769156A publication Critical patent/AU1769156A/en
Expired legal-status Critical Current

Links

AU17691/56A 1956-04-23 Improvements in highspeed perforators for recording information Expired AU211008B2 (en)

Publications (2)

Publication Number Publication Date
AU211008B2 true AU211008B2 (en) 1956-10-25
AU1769156A AU1769156A (en) 1956-10-25

Family

ID=

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