CA258856A - Reseau telephonique a service restreint - Google Patents

Reseau telephonique a service restreint

Info

Publication number
CA258856A
CA258856A CA258856A CA258856DA CA258856A CA 258856 A CA258856 A CA 258856A CA 258856 A CA258856 A CA 258856A CA 258856D A CA258856D A CA 258856DA CA 258856 A CA258856 A CA 258856A
Authority
CA
Canada
Prior art keywords
telephone system
service telephone
restricted service
restricted
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
CA258856A
Other languages
English (en)
Inventor
W. Carpenter Warren
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.)
INTERNATIONAL WESTERN ELECTRIC Co
AT&T Inc
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA258856A publication Critical patent/CA258856A/fr
Expired legal-status Critical Current

Links

CA258856A Reseau telephonique a service restreint Expired CA258856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258856T

Publications (1)

Publication Number Publication Date
CA258856A true CA258856A (fr) 1926-03-09

Family

ID=35167405

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258856A Expired CA258856A (fr) Reseau telephonique a service restreint

Country Status (1)

Country Link
CA (1) CA258856A (fr)

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