CA415346A - Telephone substation apparatus - Google Patents

Telephone substation apparatus

Info

Publication number
CA415346A
CA415346A CA415346A CA415346DA CA415346A CA 415346 A CA415346 A CA 415346A CA 415346 A CA415346 A CA 415346A CA 415346D A CA415346D A CA 415346DA CA 415346 A CA415346 A CA 415346A
Authority
CA
Canada
Prior art keywords
substation apparatus
telephone substation
telephone
substation
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
CA415346A
Other languages
French (fr)
Inventor
Wright Gilman Turner
Harry Herrick Roswell
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 CA415346A publication Critical patent/CA415346A/en
Expired legal-status Critical Current

Links

CA415346A Telephone substation apparatus Expired CA415346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA415346T

Publications (1)

Publication Number Publication Date
CA415346A true CA415346A (en) 1943-09-21

Family

ID=35524553

Family Applications (1)

Application Number Title Priority Date Filing Date
CA415346A Expired CA415346A (en) Telephone substation apparatus

Country Status (1)

Country Link
CA (1) CA415346A (en)

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