AU1213528A - M Improvements in automatic switches such as used in telephone systems - Google Patents

M Improvements in automatic switches such as used in telephone systems

Info

Publication number
AU1213528A
AU1213528A AU12135/28A AU1213528A AU1213528A AU 1213528 A AU1213528 A AU 1213528A AU 12135/28 A AU12135/28 A AU 12135/28A AU 1213528 A AU1213528 A AU 1213528A AU 1213528 A AU1213528 A AU 1213528A
Authority
AU
Australia
Prior art keywords
telephone systems
automatic switches
switches
automatic
telephone
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
AU12135/28A
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Filing date
Publication date
Application filed by Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Publication of AU1213528A publication Critical patent/AU1213528A/en
Expired legal-status Critical Current

Links

AU12135/28A 1928-11-29 M Improvements in automatic switches such as used in telephone systems Expired AU1213528A (en)

Publications (1)

Publication Number Publication Date
AU1213528A true AU1213528A (en) 1928-12-11

Family

ID=

Similar Documents

Publication Publication Date Title
AU1213528A (en) M Improvements in automatic switches such as used in telephone systems
AU147489B2 (en) Improvements in automatic switches as used in telephone systems
AU3092149A (en) Improvements in automatic switches as used in telephone systems
AU1118728A (en) Improvements in automatic telephone systems
AU1214628A (en) Improvements in automatic telephone systems
CA284537A (en) Telephone system
AU900627A (en) Improvements in selector switches for automatic telephone systems
AU1391728A (en) Improvements in telephone systems
AU1333228A (en) Improvements in telephone systems
AU1391628A (en) Improvements in telephone systems
AU1391828A (en) Improvements in telephone systems
AU1621228A (en) Improvements in telephone systems
AU1632928A (en) Improvements in telephone systems
AU2415529A (en) Improvements relating to selecting switches such as used in automatic telephone systems
AU887227A (en) Improved circuit arrangements in automatic telephone systems
AU621327A (en) Improvements in or relating to automatic switches for telephone systems
CA279603A (en) Telephone system
CA282360A (en) Telephone system
CA277226A (en) Telephone system
CA277378A (en) Telephone system
CA277379A (en) Telephone system
CA278581A (en) Telephone system
CA278582A (en) Telephone system
CA279279A (en) Telephone system
CA283287A (en) Telephone system