CA196186A - Dispositif d'appels - Google Patents

Dispositif d'appels

Info

Publication number
CA196186A
CA196186A CA196186A CA196186DA CA196186A CA 196186 A CA196186 A CA 196186A CA 196186 A CA196186 A CA 196186A CA 196186D A CA196186D A CA 196186DA CA 196186 A CA196186 A CA 196186A
Authority
CA
Canada
Prior art keywords
calling device
calling
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
CA196186A
Other languages
English (en)
Inventor
F. Forsberg Oscar
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
Publication date
Application granted granted Critical
Publication of CA196186A publication Critical patent/CA196186A/fr
Expired legal-status Critical Current

Links

CA196186A Dispositif d'appels Expired CA196186A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA196186T

Publications (1)

Publication Number Publication Date
CA196186A true CA196186A (fr) 1920-01-13

Family

ID=35065494

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196186A Expired CA196186A (fr) Dispositif d'appels

Country Status (1)

Country Link
CA (1) CA196186A (fr)

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