CA173380A - Systeme d'echange telephonique a commutateurs mecaniques - Google Patents

Systeme d'echange telephonique a commutateurs mecaniques

Info

Publication number
CA173380A
CA173380A CA000173380A CA173380DA CA173380A CA 173380 A CA173380 A CA 173380A CA 000173380 A CA000173380 A CA 000173380A CA 173380D A CA173380D A CA 173380DA CA 173380 A CA173380 A CA 173380A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
machine switching
switching telephone
machine
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
CA000173380A
Other languages
English (en)
Inventor
Alben E. Lundell
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA173380A publication Critical patent/CA173380A/fr
Expired legal-status Critical Current

Links

CA000173380A 1915-11-26 1915-11-26 Systeme d'echange telephonique a commutateurs mecaniques Expired CA173380A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173380T 1915-11-26

Publications (1)

Publication Number Publication Date
CA173380A true CA173380A (fr) 1916-11-21

Family

ID=45293033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173380A Expired CA173380A (fr) 1915-11-26 1915-11-26 Systeme d'echange telephonique a commutateurs mecaniques

Country Status (1)

Country Link
CA (1) CA173380A (fr)

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