AU111921A - Improvements in selector switches for automatic telephone systems - Google Patents

Improvements in selector switches for automatic telephone systems

Info

Publication number
AU111921A
AU111921A AU1119/21A AU111921A AU111921A AU 111921 A AU111921 A AU 111921A AU 1119/21 A AU1119/21 A AU 1119/21A AU 111921 A AU111921 A AU 111921A AU 111921 A AU111921 A AU 111921A
Authority
AU
Australia
Prior art keywords
telephone systems
selector switches
automatic telephone
automatic
selector
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
AU1119/21A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of AU111921A publication Critical patent/AU111921A/en
Expired legal-status Critical Current

Links

AU1119/21A 1921-03-29 Improvements in selector switches for automatic telephone systems Expired AU111921A (en)

Publications (1)

Publication Number Publication Date
AU111921A true AU111921A (en) 1921-09-20

Family

ID=

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