CA162007A - Systeme de commutateurs d'echange telephonique - Google Patents

Systeme de commutateurs d'echange telephonique

Info

Publication number
CA162007A
CA162007A CA000162007A CA162007DA CA162007A CA 162007 A CA162007 A CA 162007A CA 000162007 A CA000162007 A CA 000162007A CA 162007D A CA162007D A CA 162007DA CA 162007 A CA162007 A CA 162007A
Authority
CA
Canada
Prior art keywords
switching system
telephone switching
telephone
switching
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
CA000162007A
Other languages
English (en)
Inventor
Frank Robert Mcberty
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA162007A publication Critical patent/CA162007A/fr
Expired legal-status Critical Current

Links

CA000162007A 1912-10-17 1912-10-17 Systeme de commutateurs d'echange telephonique Expired CA162007A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA162007T 1912-10-17

Publications (1)

Publication Number Publication Date
CA162007A true CA162007A (fr) 1915-04-20

Family

ID=45281695

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000162007A Expired CA162007A (fr) 1912-10-17 1912-10-17 Systeme de commutateurs d'echange telephonique

Country Status (1)

Country Link
CA (1) CA162007A (fr)

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