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
AU217145B2 - Improvements in or relating to telecommunication exchanges - Google Patents
[go: Go Back, main page]

AU217145B2 - Improvements in or relating to telecommunication exchanges - Google Patents

Improvements in or relating to telecommunication exchanges

Info

Publication number
AU217145B2
AU217145B2 AU19929/56A AU1992956A AU217145B2 AU 217145 B2 AU217145 B2 AU 217145B2 AU 19929/56 A AU19929/56 A AU 19929/56A AU 1992956 A AU1992956 A AU 1992956A AU 217145 B2 AU217145 B2 AU 217145B2
Authority
AU
Australia
Prior art keywords
relating
telecommunication exchanges
telecommunication
exchanges
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
AU19929/56A
Other versions
AU1992956A (en
Inventor
Philip Goodwin Wright and Donald Adams Weir and Joseph Rice Esmond
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 AU217145B2 publication Critical patent/AU217145B2/en
Publication of AU1992956A publication Critical patent/AU1992956A/en
Expired legal-status Critical Current

Links

AU19929/56A 1956-07-17 Improvements in or relating to telecommunication exchanges Expired AU217145B2 (en)

Publications (2)

Publication Number Publication Date
AU217145B2 true AU217145B2 (en) 1957-01-17
AU1992956A AU1992956A (en) 1957-01-17

Family

ID=

Similar Documents

Publication Publication Date Title
AU217145B2 (en) Improvements in or relating to telecommunication exchanges
AU1992956A (en) Improvements in or relating to telecommunication exchanges
AU218950B2 (en) Improvements in or relating to telecommunication systems
AU212110B2 (en) Improvements in or relating to automatic telecommunication exchange
AU217636B2 (en) Improvements in or relating to telephone subscribers instruments
AU218873B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU217942B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU217943B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU228164B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU2396456A (en) Improvements in or relating to telecommunication systems
AU215721B2 (en) Improvements in or relating to telephone systems
AU212111B2 (en) Improvements in or relating to automatic telecommunication exchange equipment
AU1619956A (en) Improvements in or relating to automatic telecommunication exchange
AU212788B2 (en) Improvements in or relating to coupling networks
AU2396256A (en) Improvements in or relating to telephone subscribers instruments
AU2720257A (en) Improvements in or relating to automatic telecommunication exchanges
AU2795957A (en) Improvements in or relating to automatic telecommunication exchanges
AU2720157A (en) Improvements in or relating to automatic telecommunication exchanges
AU2681857A (en) Improvements in or relating to automatic telecommunication exchanges
AU213759B2 (en) Improvements in or relating to subscribers line circuits
AU207475B2 (en) Improvements in or relating to operator telephone headsets
AU1825856A (en) Improvements in or relating to telephone systems
AU164537B2 (en) Improvements in or relating to telecommunication exchanges
AU1685856A (en) Improvements in or relating to automatic telecommunication exchange equipment
AU215124B2 (en) Improvements in automatic telephone exchanges