CA215095A - Measured service telephone system - Google Patents

Measured service telephone system

Info

Publication number
CA215095A
CA215095A CA215095A CA215095DA CA215095A CA 215095 A CA215095 A CA 215095A CA 215095 A CA215095 A CA 215095A CA 215095D A CA215095D A CA 215095DA CA 215095 A CA215095 A CA 215095A
Authority
CA
Canada
Prior art keywords
telephone system
measured service
service telephone
measured
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
CA215095A
Other languages
French (fr)
Inventor
Wicks John
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 CA215095A publication Critical patent/CA215095A/en
Expired legal-status Critical Current

Links

CA215095A Measured service telephone system Expired CA215095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215095T

Publications (1)

Publication Number Publication Date
CA215095A true CA215095A (en) 1922-01-10

Family

ID=35109539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215095A Expired CA215095A (en) Measured service telephone system

Country Status (1)

Country Link
CA (1) CA215095A (en)

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