CA441179A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA441179A
CA441179A CA441179A CA441179DA CA441179A CA 441179 A CA441179 A CA 441179A CA 441179 A CA441179 A CA 441179A CA 441179D A CA441179D A CA 441179DA CA 441179 A CA441179 A CA 441179A
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
CA441179A
Other languages
English (en)
Inventor
Ellis Ostline John
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA441179A publication Critical patent/CA441179A/fr
Expired legal-status Critical Current

Links

CA441179A Systeme telephonique Expired CA441179A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA441179T

Publications (1)

Publication Number Publication Date
CA441179A true CA441179A (fr) 1947-05-06

Family

ID=35556411

Family Applications (1)

Application Number Title Priority Date Filing Date
CA441179A Expired CA441179A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA441179A (fr)

Similar Documents

Publication Publication Date Title
CA441179A (fr) Systeme telephonique
CA441465A (fr) Systeme telephonique
CA445443A (fr) Systeme telephonique
CA445445A (fr) Systeme telephonique
CA439394A (fr) Reseau telephonique
CA440708A (fr) Systeme telephonique
CA440944A (fr) Systeme telephonique
CA441180A (fr) Systeme telephonique
CA441181A (fr) Systeme telephonique
CA441406A (fr) Systeme telephonique
CA441947A (fr) Systeme telephonique
CA442718A (fr) Systeme telephonique
CA442941A (fr) Systeme telephonique
CA442988A (fr) Systeme telephonique
CA443037A (fr) Systeme telephonique
CA443405A (fr) Systeme telephonique
CA443407A (fr) Systeme telephonique
CA443721A (fr) Systeme telephonique
CA443722A (fr) Systeme telephonique
CA445441A (fr) Systeme telephonique
CA445442A (fr) Systeme telephonique
CA445446A (fr) Systeme telephonique
CA440102A (fr) Element de telephone
CA443984A (fr) Systeme pour repondre a des appels telephoniques
CA440709A (fr) Systeme telephonique interurbain