CA224729A - Repetiteur telephonique - Google Patents

Repetiteur telephonique

Info

Publication number
CA224729A
CA224729A CA224729A CA224729DA CA224729A CA 224729 A CA224729 A CA 224729A CA 224729 A CA224729 A CA 224729A CA 224729D A CA224729D A CA 224729DA CA 224729 A CA224729 A CA 224729A
Authority
CA
Canada
Prior art keywords
telephone repeater
repeater
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
CA224729A
Other languages
English (en)
Inventor
B. Clark Alva
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA224729A publication Critical patent/CA224729A/fr
Expired legal-status Critical Current

Links

CA224729A Repetiteur telephonique Expired CA224729A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA224729T

Publications (1)

Publication Number Publication Date
CA224729A true CA224729A (fr) 1922-10-10

Family

ID=35120332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224729A Expired CA224729A (fr) Repetiteur telephonique

Country Status (1)

Country Link
CA (1) CA224729A (fr)

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