CA426780A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA426780A
CA426780A CA426780A CA426780DA CA426780A CA 426780 A CA426780 A CA 426780A CA 426780 A CA426780 A CA 426780A CA 426780D A CA426780D A CA 426780DA CA 426780 A CA426780 A CA 426780A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA426780A
Other languages
English (en)
Inventor
Melvin Skellett Albert
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 Inc
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA426780A publication Critical patent/CA426780A/fr
Expired legal-status Critical Current

Links

CA426780A Systeme telephonique Expired CA426780A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA426780T

Publications (1)

Publication Number Publication Date
CA426780A true CA426780A (fr) 1945-04-10

Family

ID=35537808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA426780A Expired CA426780A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA426780A (fr)

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