CA156383A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number
CA156383A
CA156383A CA000156383A CA156383DA CA156383A CA 156383 A CA156383 A CA 156383A CA 000156383 A CA000156383 A CA 000156383A CA 156383D A CA156383D A CA 156383DA CA 156383 A CA156383 A CA 156383A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA000156383A
Other languages
French (fr)
Inventor
Frank Robert Mcberty
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
Northern Electric and Manufacturing Co Ltd
Original Assignee
Nortel Networks Ltd
Northern Electric and Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nortel Networks Ltd, Northern Electric and Manufacturing Co Ltd filed Critical Nortel Networks Ltd
Application granted granted Critical
Publication of CA156383A publication Critical patent/CA156383A/en
Expired legal-status Critical Current

Links

CA000156383A 1911-02-28 1911-02-28 Telephone exchange system Expired CA156383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA156383T 1911-02-28

Publications (1)

Publication Number Publication Date
CA156383A true CA156383A (en) 1914-06-23

Family

ID=45276090

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000156383A Expired CA156383A (en) 1911-02-28 1911-02-28 Telephone exchange system

Country Status (1)

Country Link
CA (1) CA156383A (en)

Similar Documents

Publication Publication Date Title
CA156383A (en) Telephone exchange system
CA161588A (en) Telephone exchange system
CA161906A (en) Telephone exchange system
CA164329A (en) Telephone exchange system
CA166278A (en) Telephone exchange system
CA167036A (en) Telephone exchange system
CA166014A (en) Telephone exchange
CA148625A (en) Telephone system
CA134391A (en) Telephone system
CA167025A (en) Telephone exchange system
CA163713A (en) Telephone exchange system
CA163714A (en) Telephone exchange system
CA164712A (en) Telephone exchange system
CA165221A (en) Telephone exchange system
CA165222A (en) Telephone exchange system
CA165404A (en) Telephone exchange system
CA146915A (en) Telephone exchange system
CA134181A (en) Telephone exchange for double wire telephone systems
CA174691A (en) Telephone exchange system
CA179368A (en) Telephone exchange system
CA182584A (en) Telephone exchange system
CA170835A (en) Telephone exchange system
CA174327A (en) Telephone exchange system
CA174337A (en) Telephone exchange system
CA181170A (en) Telephone exchange system