CA167025A - Systeme d'echange telephoniques - Google Patents

Systeme d'echange telephoniques

Info

Publication number
CA167025A
CA167025A CA000167025A CA167025DA CA167025A CA 167025 A CA167025 A CA 167025A CA 000167025 A CA000167025 A CA 000167025A CA 167025D A CA167025D A CA 167025DA CA 167025 A CA167025 A CA 167025A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA000167025A
Other languages
English (en)
Inventor
Bernard D. Willis
Talbot G. Martin
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 CA167025A publication Critical patent/CA167025A/fr
Expired legal-status Critical Current

Links

CA000167025A 1913-09-03 1913-09-03 Systeme d'echange telephoniques Expired CA167025A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA167025T 1913-09-03

Publications (1)

Publication Number Publication Date
CA167025A true CA167025A (fr) 1916-01-11

Family

ID=45286698

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000167025A Expired CA167025A (fr) 1913-09-03 1913-09-03 Systeme d'echange telephoniques

Country Status (1)

Country Link
CA (1) CA167025A (fr)

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