CA167024A - Systeme de communication d'echanges telephoniques - Google Patents

Systeme de communication d'echanges telephoniques

Info

Publication number
CA167024A
CA167024A CA000167024A CA167024DA CA167024A CA 167024 A CA167024 A CA 167024A CA 000167024 A CA000167024 A CA 000167024A CA 167024D A CA167024D A CA 167024DA CA 167024 A CA167024 A CA 167024A
Authority
CA
Canada
Prior art keywords
telephone exchange
trunking system
exchange trunking
telephone
trunking
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
CA000167024A
Other languages
English (en)
Inventor
Edward Daniel Fales
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 CA167024A publication Critical patent/CA167024A/fr
Expired legal-status Critical Current

Links

CA000167024A 1912-01-31 1912-01-31 Systeme de communication d'echanges telephoniques Expired CA167024A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA167024T 1912-01-31

Publications (1)

Publication Number Publication Date
CA167024A true CA167024A (fr) 1916-01-11

Family

ID=45286697

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000167024A Expired CA167024A (fr) 1912-01-31 1912-01-31 Systeme de communication d'echanges telephoniques

Country Status (1)

Country Link
CA (1) CA167024A (fr)

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