CA435226A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA435226A
CA435226A CA435226A CA435226DA CA435226A CA 435226 A CA435226 A CA 435226A CA 435226 A CA435226 A CA 435226A CA 435226D A CA435226D A CA 435226DA CA 435226 A CA435226 A CA 435226A
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
CA435226A
Other languages
English (en)
Inventor
Peterson Seth
Geitgey Irvin
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
Associated Telephone and Telegraph Co
Original Assignee
Automatic Electric Laboratories Inc
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA435226A publication Critical patent/CA435226A/fr
Expired legal-status Critical Current

Links

CA435226A Systeme telephonique Expired CA435226A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA435226T

Publications (1)

Publication Number Publication Date
CA435226A true CA435226A (fr) 1946-06-11

Family

ID=35549859

Family Applications (1)

Application Number Title Priority Date Filing Date
CA435226A Expired CA435226A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA435226A (fr)

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