CA351580A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA351580A
CA351580A CA351580A CA351580DA CA351580A CA 351580 A CA351580 A CA 351580A CA 351580 A CA351580 A CA 351580A CA 351580D A CA351580D A CA 351580DA CA 351580 A CA351580 A CA 351580A
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
CA351580A
Other languages
English (en)
Inventor
Baines Haigh Leslie
Hatton William
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 CA351580A publication Critical patent/CA351580A/fr
Expired legal-status Critical Current

Links

CA351580A Systeme telephonique Expired CA351580A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA351580T

Publications (1)

Publication Number Publication Date
CA351580A true CA351580A (fr) 1935-07-09

Family

ID=35339544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA351580A Expired CA351580A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA351580A (fr)

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