CA199617A - Systeme telephonique en commun - Google Patents

Systeme telephonique en commun

Info

Publication number
CA199617A
CA199617A CA199617A CA199617DA CA199617A CA 199617 A CA199617 A CA 199617A CA 199617 A CA199617 A CA 199617A CA 199617D A CA199617D A CA 199617DA CA 199617 A CA199617 A CA 199617A
Authority
CA
Canada
Prior art keywords
party
telephone system
line telephone
line
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
CA199617A
Other languages
English (en)
Inventor
Grant Martin Talbot
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 CA199617A publication Critical patent/CA199617A/fr
Expired legal-status Critical Current

Links

CA199617A Systeme telephonique en commun Expired CA199617A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199617T

Publications (1)

Publication Number Publication Date
CA199617A true CA199617A (fr) 1920-04-27

Family

ID=35074054

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199617A Expired CA199617A (fr) Systeme telephonique en commun

Country Status (1)

Country Link
CA (1) CA199617A (fr)

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