CA173904A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA173904A
CA173904A CA000173904A CA173904DA CA173904A CA 173904 A CA173904 A CA 173904A CA 000173904 A CA000173904 A CA 000173904A CA 173904D A CA173904D A CA 173904DA CA 173904 A CA173904 A CA 173904A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA000173904A
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 CA173904A publication Critical patent/CA173904A/fr
Expired legal-status Critical Current

Links

CA000173904A 1916-08-08 1916-08-08 Systeme telephonique Expired CA173904A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173904T 1916-08-08

Publications (1)

Publication Number Publication Date
CA173904A true CA173904A (fr) 1916-12-12

Family

ID=45293557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173904A Expired CA173904A (fr) 1916-08-08 1916-08-08 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA173904A (fr)

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