CA173901A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA173901A
CA173901A CA000173901A CA173901DA CA173901A CA 173901 A CA173901 A CA 173901A CA 000173901 A CA000173901 A CA 000173901A CA 173901D A CA173901D A CA 173901DA CA 173901 A CA173901 A CA 173901A
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
CA000173901A
Other languages
English (en)
Inventor
Alben E. Lundell
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 CA173901A publication Critical patent/CA173901A/fr
Expired legal-status Critical Current

Links

CA000173901A 1915-11-26 1915-11-26 Systeme telephonique Expired CA173901A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173901T 1915-11-26

Publications (1)

Publication Number Publication Date
CA173901A true CA173901A (fr) 1916-12-12

Family

ID=45293554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000173901A Expired CA173901A (fr) 1915-11-26 1915-11-26 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA173901A (fr)

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