CA253323A - Reseau telephonique automatique et groupe - Google Patents

Reseau telephonique automatique et groupe

Info

Publication number
CA253323A
CA253323A CA253323A CA253323DA CA253323A CA 253323 A CA253323 A CA 253323A CA 253323 A CA253323 A CA 253323A CA 253323D A CA253323D A CA 253323DA CA 253323 A CA253323 A CA 253323A
Authority
CA
Canada
Prior art keywords
telephone system
line automatic
automatic telephone
party line
party
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
CA253323A
Other languages
English (en)
Inventor
G. Richardson Rodney
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 CA253323A publication Critical patent/CA253323A/fr
Expired legal-status Critical Current

Links

CA253323A Reseau telephonique automatique et groupe Expired CA253323A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA253323T

Publications (1)

Publication Number Publication Date
CA253323A true CA253323A (fr) 1925-09-01

Family

ID=35161873

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253323A Expired CA253323A (fr) Reseau telephonique automatique et groupe

Country Status (1)

Country Link
CA (1) CA253323A (fr)

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