CA554682A - Appareil d'echange de telephone - Google Patents

Appareil d'echange de telephone

Info

Publication number
CA554682A
CA554682A CA554682A CA554682DA CA554682A CA 554682 A CA554682 A CA 554682A CA 554682 A CA554682 A CA 554682A CA 554682D A CA554682D A CA 554682DA CA 554682 A CA554682 A CA 554682A
Authority
CA
Canada
Prior art keywords
telephone exchange
exchange bay
bay
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
CA554682A
Other languages
English (en)
Inventor
M. Blackhall James
G. Ryon Maurice
P. Martin George
S. Baker Donald
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.)
North Electric Co
Original Assignee
North Electric Co
Publication date
Application granted granted Critical
Publication of CA554682A publication Critical patent/CA554682A/fr
Expired legal-status Critical Current

Links

CA554682A Appareil d'echange de telephone Expired CA554682A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA554682T

Publications (1)

Publication Number Publication Date
CA554682A true CA554682A (fr) 1958-03-18

Family

ID=35716091

Family Applications (1)

Application Number Title Priority Date Filing Date
CA554682A Expired CA554682A (fr) Appareil d'echange de telephone

Country Status (1)

Country Link
CA (1) CA554682A (fr)

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