CA441181A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA441181A
CA441181A CA441181A CA441181DA CA441181A CA 441181 A CA441181 A CA 441181A CA 441181 A CA441181 A CA 441181A CA 441181D A CA441181D A CA 441181DA CA 441181 A CA441181 A CA 441181A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA441181A
Other languages
English (en)
Inventor
Ellis Ostline John
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 Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA441181A publication Critical patent/CA441181A/fr
Expired legal-status Critical Current

Links

CA441181A Systeme telephonique Expired CA441181A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA441181T

Publications (1)

Publication Number Publication Date
CA441181A true CA441181A (fr) 1947-05-06

Family

ID=35556413

Family Applications (1)

Application Number Title Priority Date Filing Date
CA441181A Expired CA441181A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA441181A (fr)

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