CA424707A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA424707A
CA424707A CA424707A CA424707DA CA424707A CA 424707 A CA424707 A CA 424707A CA 424707 A CA424707 A CA 424707A CA 424707D A CA424707D A CA 424707DA CA 424707 A CA424707 A CA 424707A
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
CA424707A
Other languages
French (fr)
Inventor
E. 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 CA424707A publication Critical patent/CA424707A/en
Expired legal-status Critical Current

Links

CA424707A Telephone system Expired CA424707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424707T

Publications (1)

Publication Number Publication Date
CA424707A true CA424707A (en) 1944-12-26

Family

ID=35535722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424707A Expired CA424707A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA424707A (en)

Similar Documents

Publication Publication Date Title
CA417943A (en) Telephone system
CA418315A (en) Telephone system
CA418339A (en) Telephone system
CA418615A (en) Telephone system
CA418617A (en) Telephone system
CA419526A (en) Telephone system
CA420335A (en) Telephone system
CA420570A (en) Telephone system
CA420937A (en) Telephone system
CA420938A (en) Telephone system
CA421036A (en) Telephone system
CA421423A (en) Telephone system
CA421424A (en) Telephone system
CA421770A (en) Telephone system
CA421771A (en) Telephone system
CA422031A (en) Telephone system
CA422193A (en) Telephone system
CA422195A (en) Telephone system
CA422283A (en) Telephone system
CA422286A (en) Telephone system
CA422884A (en) Telephone system
CA422885A (en) Telephone system
CA423174A (en) Telephone system
CA423179A (en) Telephone system
CA423180A (en) Telephone system