CA375658A - Telephone system - Google Patents

Telephone system

Info

Publication number
CA375658A
CA375658A CA375658A CA375658DA CA375658A CA 375658 A CA375658 A CA 375658A CA 375658 A CA375658 A CA 375658A CA 375658D A CA375658D A CA 375658DA CA 375658 A CA375658 A CA 375658A
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
CA375658A
Other languages
French (fr)
Inventor
H. Saunders Norman
Bakker Pier
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 CA375658A publication Critical patent/CA375658A/en
Expired legal-status Critical Current

Links

CA375658A Telephone system Expired CA375658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA375658T

Publications (1)

Publication Number Publication Date
CA375658A true CA375658A (en) 1938-08-09

Family

ID=35379982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA375658A Expired CA375658A (en) Telephone system

Country Status (1)

Country Link
CA (1) CA375658A (en)

Similar Documents

Publication Publication Date Title
US2254113A (en) Telephone system
CA375658A (en) Telephone system
CA371100A (en) Telephone system
CA371257A (en) Telephone system
CA371481A (en) Telephone system
CA371520A (en) Telephone system
CA371524A (en) Telephone system
CA371833A (en) Telephone system
CA372056A (en) Telephone system
CA372070A (en) Telephone system
CA372271A (en) Telephone system
CA372292A (en) Inter-outer telephone system
CA373167A (en) Telephone system
CA373403A (en) Telephone system
CA373986A (en) Telephone system
CA374237A (en) Telephone system
CA374583A (en) Telephone system
CA374817A (en) Telephone system
CA374837A (en) Telephone system
CA374887A (en) Telephone system
CA375387A (en) Telephone system
CA375657A (en) Telephone system
CA375976A (en) Telephone system
CA377279A (en) Telephone system
CA377280A (en) Telephone system