CA565970A - Systemes de telephone automatique pourvus de postes groupes limites - Google Patents

Systemes de telephone automatique pourvus de postes groupes limites

Info

Publication number
CA565970A
CA565970A CA565970A CA565970DA CA565970A CA 565970 A CA565970 A CA 565970A CA 565970 A CA565970 A CA 565970A CA 565970D A CA565970D A CA 565970DA CA 565970 A CA565970 A CA 565970A
Authority
CA
Canada
Prior art keywords
telephone systems
systems provided
automatic telephone
party lines
restricted 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
CA565970A
Other languages
English (en)
Inventor
E. Lomax Clarence
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.)
General Telephone Laboratories Inc
Original Assignee
General Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA565970A publication Critical patent/CA565970A/fr
Expired legal-status Critical Current

Links

CA565970A Systemes de telephone automatique pourvus de postes groupes limites Expired CA565970A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA565970T

Publications (1)

Publication Number Publication Date
CA565970A true CA565970A (fr) 1958-11-11

Family

ID=35738482

Family Applications (1)

Application Number Title Priority Date Filing Date
CA565970A Expired CA565970A (fr) Systemes de telephone automatique pourvus de postes groupes limites

Country Status (1)

Country Link
CA (1) CA565970A (fr)

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