CA409825A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA409825A
CA409825A CA409825A CA409825DA CA409825A CA 409825 A CA409825 A CA 409825A CA 409825 A CA409825 A CA 409825A CA 409825D A CA409825D A CA 409825DA CA 409825 A CA409825 A CA 409825A
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
CA409825A
Other languages
French (fr)
Inventor
Ernest Lomax Clarence
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA409825A publication Critical patent/CA409825A/en
Expired legal-status Critical Current

Links

CA409825A Telephone system Expired CA409825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA409825T

Publications (1)

Publication Number Publication Date
CA409825A true CA409825A (en) 1943-01-05

Family

ID=35421127

Family Applications (1)

Application Number Title Priority Date Filing Date
CA409825A Expired CA409825A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA409825A (en)

Similar Documents

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