AU213255B2 - Improvements in or relating to aperture closing devices - Google Patents

Improvements in or relating to aperture closing devices

Info

Publication number
AU213255B2
AU213255B2 AU14446/55A AU1444655A AU213255B2 AU 213255 B2 AU213255 B2 AU 213255B2 AU 14446/55 A AU14446/55 A AU 14446/55A AU 1444655 A AU1444655 A AU 1444655A AU 213255 B2 AU213255 B2 AU 213255B2
Authority
AU
Australia
Prior art keywords
relating
closing devices
aperture closing
aperture
devices
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
AU14446/55A
Other versions
AU1444655A (en
Inventor
Herbert Morgan Helffer and Sidney George Parlett William
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU1444655A publication Critical patent/AU1444655A/en
Publication of AU213255B2 publication Critical patent/AU213255B2/en
Expired legal-status Critical Current

Links

AU14446/55A 1955-12-14 Improvements in or relating to aperture closing devices Expired AU213255B2 (en)

Publications (2)

Publication Number Publication Date
AU1444655A AU1444655A (en) 1956-06-21
AU213255B2 true AU213255B2 (en) 1956-06-21

Family

ID=

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