CA202284A - Systeme telephonique automatique - Google Patents

Systeme telephonique automatique

Info

Publication number
CA202284A
CA202284A CA202284A CA202284DA CA202284A CA 202284 A CA202284 A CA 202284A CA 202284 A CA202284 A CA 202284A CA 202284D A CA202284D A CA 202284DA CA 202284 A CA202284 A CA 202284A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
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
CA202284A
Other languages
English (en)
Inventor
Jacobsen Emil
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
Publication date
Application granted granted Critical
Publication of CA202284A publication Critical patent/CA202284A/fr
Expired legal-status Critical Current

Links

CA202284A Systeme telephonique automatique Expired CA202284A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA202284T

Publications (1)

Publication Number Publication Date
CA202284A true CA202284A (fr) 1920-07-27

Family

ID=35076720

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202284A Expired CA202284A (fr) Systeme telephonique automatique

Country Status (1)

Country Link
CA (1) CA202284A (fr)

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