CA690536A - Automatic telephone switching system - Google Patents

Automatic telephone switching system

Info

Publication number
CA690536A
CA690536A CA690536A CA690536DA CA690536A CA 690536 A CA690536 A CA 690536A CA 690536 A CA690536 A CA 690536A CA 690536D A CA690536D A CA 690536DA CA 690536 A CA690536 A CA 690536A
Authority
CA
Canada
Prior art keywords
switching system
telephone switching
automatic telephone
automatic
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
CA690536A
Inventor
T. Anderson Lynn
Ernest G. Crane, Jr.
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 CA690536A publication Critical patent/CA690536A/en
Expired legal-status Critical Current

Links

CA690536A Automatic telephone switching system Expired CA690536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA690536T

Publications (1)

Publication Number Publication Date
CA690536A true CA690536A (en) 1964-07-14

Family

ID=35993158

Family Applications (1)

Application Number Title Priority Date Filing Date
CA690536A Expired CA690536A (en) Automatic telephone switching system

Country Status (1)

Country Link
CA (1) CA690536A (en)

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