CA413124A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA413124A
CA413124A CA413124A CA413124DA CA413124A CA 413124 A CA413124 A CA 413124A CA 413124 A CA413124 A CA 413124A CA 413124D A CA413124D A CA 413124DA CA 413124 A CA413124 A CA 413124A
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
CA413124A
Other languages
English (en)
Inventor
Melvin Bascom Henry
John Bowne Langford
Young Priessman Neil
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA413124A publication Critical patent/CA413124A/fr
Expired legal-status Critical Current

Links

CA413124A Systeme telephonique Expired CA413124A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA413124T

Publications (1)

Publication Number Publication Date
CA413124A true CA413124A (fr) 1943-06-08

Family

ID=35522294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA413124A Expired CA413124A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA413124A (fr)

Similar Documents

Publication Publication Date Title
CA409825A (fr) Systeme telephonique
CA409856A (fr) Systeme telephonique
CA409858A (fr) Systeme telephonique
CA409859A (fr) Systeme telephonique
CA410075A (fr) Systeme telephonique
CA410266A (fr) Systeme telephonique
CA410351A (fr) Systeme telephonique
CA411301A (fr) Systeme telephonique
CA411343A (fr) Systeme telephonique
CA411409A (fr) Systeme telephonique
CA411411A (fr) Systeme telephonique
CA411741A (fr) Systeme telephonique
CA411742A (fr) Systeme telephonique
CA411807A (fr) Systeme telephonique
CA411835A (fr) Systeme telephonique
CA412387A (fr) Systeme telephonique
CA413124A (fr) Systeme telephonique
CA413303A (fr) Systeme telephonique
CA413326A (fr) Systeme telephonique
CA413426A (fr) Systeme telephonique
CA413707A (fr) Systeme telephonique
CA413708A (fr) Systeme telephonique
CA414419A (fr) Systeme telephonique
CA414681A (fr) System telephonique
CA415055A (fr) Systeme telephonique