CA424414A - Systeme d'etiquetage des appels interurbains - Google Patents

Systeme d'etiquetage des appels interurbains

Info

Publication number
CA424414A
CA424414A CA424414A CA424414DA CA424414A CA 424414 A CA424414 A CA 424414A CA 424414 A CA424414 A CA 424414A CA 424414D A CA424414D A CA 424414DA CA 424414 A CA424414 A CA 424414A
Authority
CA
Canada
Prior art keywords
ticketing system
toll ticketing
telephone toll
telephone
toll
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
CA424414A
Other languages
English (en)
Inventor
James Scott Lyle
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA424414A publication Critical patent/CA424414A/fr
Expired legal-status Critical Current

Links

CA424414A Systeme d'etiquetage des appels interurbains Expired CA424414A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424414T

Publications (1)

Publication Number Publication Date
CA424414A true CA424414A (fr) 1944-12-12

Family

ID=35535429

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424414A Expired CA424414A (fr) Systeme d'etiquetage des appels interurbains

Country Status (1)

Country Link
CA (1) CA424414A (fr)

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