CA166559A - Choix d'appels mecaniques de systeme telephonique - Google Patents

Choix d'appels mecaniques de systeme telephonique

Info

Publication number
CA166559A
CA166559A CA000166559A CA166559DA CA166559A CA 166559 A CA166559 A CA 166559A CA 000166559 A CA000166559 A CA 000166559A CA 166559D A CA166559D A CA 166559DA CA 166559 A CA166559 A CA 166559A
Authority
CA
Canada
Prior art keywords
telephone system
machine switching
switching telephone
machine
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
CA000166559A
Other languages
English (en)
Inventor
Electrical Properties Limited The
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 CA166559A publication Critical patent/CA166559A/fr
Expired legal-status Critical Current

Links

CA000166559A 1914-05-14 1914-05-14 Choix d'appels mecaniques de systeme telephonique Expired CA166559A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166559T 1914-05-14

Publications (1)

Publication Number Publication Date
CA166559A true CA166559A (fr) 1915-12-14

Family

ID=45286234

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000166559A Expired CA166559A (fr) 1914-05-14 1914-05-14 Choix d'appels mecaniques de systeme telephonique

Country Status (1)

Country Link
CA (1) CA166559A (fr)

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