CA166794A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA166794A
CA166794A CA000166794A CA166794DA CA166794A CA 166794 A CA166794 A CA 166794A CA 000166794 A CA000166794 A CA 000166794A CA 166794D A CA166794D A CA 166794DA CA 166794 A CA166794 A CA 166794A
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
CA000166794A
Other languages
English (en)
Inventor
Alexander E. Keith
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of CA166794A publication Critical patent/CA166794A/fr
Expired legal-status Critical Current

Links

CA000166794A 1912-02-27 1912-02-27 Systeme telephonique Expired CA166794A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166794T 1912-02-27

Publications (1)

Publication Number Publication Date
CA166794A true CA166794A (fr) 1915-12-28

Family

ID=45286469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000166794A Expired CA166794A (fr) 1912-02-27 1912-02-27 Systeme telephonique

Country Status (1)

Country Link
CA (1) CA166794A (fr)

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