CA410351A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA410351A
CA410351A CA410351A CA410351DA CA410351A CA 410351 A CA410351 A CA 410351A CA 410351 A CA410351 A CA 410351A CA 410351D A CA410351D A CA 410351DA CA 410351 A CA410351 A CA 410351A
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
CA410351A
Other languages
English (en)
Inventor
Sengebusch Hans
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA410351A publication Critical patent/CA410351A/fr
Expired legal-status Critical Current

Links

CA410351A Systeme telephonique Expired CA410351A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA410351T

Publications (1)

Publication Number Publication Date
CA410351A true CA410351A (fr) 1943-02-02

Family

ID=35421653

Family Applications (1)

Application Number Title Priority Date Filing Date
CA410351A Expired CA410351A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA410351A (fr)

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