Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AU217943B2 - Improvements in or relating to automatic telecommunication exchanges - Google Patents
[go: Go Back, main page]

AU217943B2 - Improvements in or relating to automatic telecommunication exchanges - Google Patents

Improvements in or relating to automatic telecommunication exchanges

Info

Publication number
AU217943B2
AU217943B2 AU27202/57A AU2720257A AU217943B2 AU 217943 B2 AU217943 B2 AU 217943B2 AU 27202/57 A AU27202/57 A AU 27202/57A AU 2720257 A AU2720257 A AU 2720257A AU 217943 B2 AU217943 B2 AU 217943B2
Authority
AU
Australia
Prior art keywords
relating
automatic telecommunication
telecommunication exchanges
exchanges
automatic
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
AU27202/57A
Other versions
AU2720257A (en
Inventor
Clifford Hartley and Frederick Harry Bray George
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 AU2720257A publication Critical patent/AU2720257A/en
Publication of AU217943B2 publication Critical patent/AU217943B2/en
Expired legal-status Critical Current

Links

AU27202/57A 1957-04-23 Improvements in or relating to automatic telecommunication exchanges Expired AU217943B2 (en)

Publications (2)

Publication Number Publication Date
AU2720257A AU2720257A (en) 1957-10-24
AU217943B2 true AU217943B2 (en) 1957-10-24

Family

ID=

Similar Documents

Publication Publication Date Title
AU217943B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU218873B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU228164B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU217942B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU2681857A (en) Improvements in or relating to automatic telecommunication exchanges
AU2720157A (en) Improvements in or relating to automatic telecommunication exchanges
AU2720257A (en) Improvements in or relating to automatic telecommunication exchanges
AU2795957A (en) Improvements in or relating to automatic telecommunication exchanges
AU250436B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU251741B2 (en) Improvements in or relating to automatic telephone exchanges
AU6482760A (en) Improvements in or relating to automatic telecommunication exchanges
AU212265B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU219456B2 (en) Improvements in or relating to arrangements for reducing crosstalk in automatic telephone exchanges
AU217145B2 (en) Improvements in or relating to telecommunication exchanges
AU215124B2 (en) Improvements in automatic telephone exchanges
AU6126260A (en) Improvements in or relating to automatic telephone exchanges
AU247750B2 (en) Improvements in or relating to automatic telephone exchanges
AU212110B2 (en) Improvements in or relating to automatic telecommunication exchange
AU1258055A (en) Improvements in or relating to automatic telecommunication exchanges
AU3390257A (en) Improvements in or relating to arrangements for reducing crosstalk in automatic telephone exchanges
AU1992956A (en) Improvements in or relating to telecommunication exchanges
CA539003A (en) Automatic exchanges
AU2202356A (en) Improvements in automatic telephone exchanges
CA535884A (en) Telecommunication exchanges
AU5774560A (en) Improvements in or relating to automatic telephone exchanges