CA196911A - Systeme telephonique a temps limite - Google Patents

Systeme telephonique a temps limite

Info

Publication number
CA196911A
CA196911A CA196911A CA196911DA CA196911A CA 196911 A CA196911 A CA 196911A CA 196911 A CA196911 A CA 196911A CA 196911D A CA196911D A CA 196911DA CA 196911 A CA196911 A CA 196911A
Authority
CA
Canada
Prior art keywords
telephone system
measured service
service telephone
measured
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
CA196911A
Other languages
English (en)
Inventor
Walter Owen Wm.
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 CA196911A publication Critical patent/CA196911A/fr
Expired legal-status Critical Current

Links

CA196911A Systeme telephonique a temps limite Expired CA196911A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA196911T

Publications (1)

Publication Number Publication Date
CA196911A true CA196911A (fr) 1920-02-03

Family

ID=35071349

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196911A Expired CA196911A (fr) Systeme telephonique a temps limite

Country Status (1)

Country Link
CA (1) CA196911A (fr)

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