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
AU138401B2 - Improvements relating to automatic selective switching systems - Google Patents
[go: Go Back, main page]

AU138401B2 - Improvements relating to automatic selective switching systems - Google Patents

Improvements relating to automatic selective switching systems

Info

Publication number
AU138401B2
AU138401B2 AU9208/47A AU920847A AU138401B2 AU 138401 B2 AU138401 B2 AU 138401B2 AU 9208/47 A AU9208/47 A AU 9208/47A AU 920847 A AU920847 A AU 920847A AU 138401 B2 AU138401 B2 AU 138401B2
Authority
AU
Australia
Prior art keywords
improvements relating
switching systems
selective switching
automatic selective
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
AU9208/47A
Other versions
AU920847A (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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Filing date
Publication date
Application filed by Siemens Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of AU138401B2 publication Critical patent/AU138401B2/en
Publication of AU920847A publication Critical patent/AU920847A/en
Expired legal-status Critical Current

Links

AU9208/47A 1947-01-06 Improvements relating to automatic selective switching systems Expired AU138401B2 (en)

Publications (2)

Publication Number Publication Date
AU138401B2 true AU138401B2 (en) 1950-05-25
AU920847A AU920847A (en) 1950-05-25

Family

ID=

Similar Documents

Publication Publication Date Title
AU138401B2 (en) Improvements relating to automatic selective switching systems
AU920847A (en) Improvements relating to automatic selective switching systems
CA444821A (en) Automatic switching system
AU138489B2 (en) Improvements relating to automatic telephone systems
AU139558B2 (en) Switching system
AU135307B2 (en) Improvements relating to automatic selecting switches
AU3334350A (en) Improvements relating to automatic telephone systems
AU137524B2 (en) Improvements relating to automatic switches ofthe kind used in telephone systems
CA443194A (en) Automatic switch
AU131425B2 (en) Improvements relating to automatic telephone systems
AU131426B2 (en) Improvements relating to automatic telephone systems
AU134542B2 (en) Improvements relating to automatic telephone systems
AU1058947A (en) Improvements relating to automatic selecting switches
AU139084B2 (en) Selector system
AU1314247A (en) Improvements relating to automatic switches ofthe kind used in telephone systems
AU143702B2 (en) Telecommunication switching systems
AU141963B2 (en) Improvements in or relating to telecommunication switching systems
AU139114B2 (en) Improvements in automatic control systems
AU138697B2 (en) Improvements In or relating to automatic switches suitable for use in telephone or like systems
AU141071B2 (en) Selective calling system
CA439778A (en) Automatic telephone system
CA444075A (en) Automatic telephone system
AU640346A (en) Improvements relating to automatic telephone systems
AU306646A (en) Improvements relating to automatic telephone systems
AU136606B2 (en) Improvements relating to automatic telephone and like selective signalling systems