CA425206A - Systeme d'etiquetage des appels interurbains - Google Patents

Systeme d'etiquetage des appels interurbains

Info

Publication number
CA425206A
CA425206A CA425206A CA425206DA CA425206A CA 425206 A CA425206 A CA 425206A CA 425206 A CA425206 A CA 425206A CA 425206D A CA425206D A CA 425206DA CA 425206 A CA425206 A CA 425206A
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
CA425206A
Other languages
English (en)
Inventor
Philip Goodwin Wright Esmond
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
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA425206A publication Critical patent/CA425206A/fr
Expired legal-status Critical Current

Links

CA425206A Systeme d'etiquetage des appels interurbains Expired CA425206A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA425206T

Publications (1)

Publication Number Publication Date
CA425206A true CA425206A (fr) 1945-01-23

Family

ID=35536224

Family Applications (1)

Application Number Title Priority Date Filing Date
CA425206A Expired CA425206A (fr) Systeme d'etiquetage des appels interurbains

Country Status (1)

Country Link
CA (1) CA425206A (fr)

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