CA412794A - Commutateur selectif de telephone - Google Patents

Commutateur selectif de telephone

Info

Publication number
CA412794A
CA412794A CA412794A CA412794DA CA412794A CA 412794 A CA412794 A CA 412794A CA 412794 A CA412794 A CA 412794A CA 412794D A CA412794D A CA 412794DA CA 412794 A CA412794 A CA 412794A
Authority
CA
Canada
Prior art keywords
selective switch
telephone
telephone selective
switch
selective
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
CA412794A
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
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA412794A publication Critical patent/CA412794A/fr
Expired legal-status Critical Current

Links

CA412794A Commutateur selectif de telephone Expired CA412794A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA412794T

Publications (1)

Publication Number Publication Date
CA412794A true CA412794A (fr) 1943-05-25

Family

ID=35521961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA412794A Expired CA412794A (fr) Commutateur selectif de telephone

Country Status (1)

Country Link
CA (1) CA412794A (fr)

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