CA433243A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA433243A
CA433243A CA433243A CA433243DA CA433243A CA 433243 A CA433243 A CA 433243A CA 433243 A CA433243 A CA 433243A CA 433243D A CA433243D A CA 433243DA CA 433243 A CA433243 A CA 433243A
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
CA433243A
Other languages
English (en)
Inventor
Bakker Pier
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 CA433243A publication Critical patent/CA433243A/fr
Expired legal-status Critical Current

Links

CA433243A Systeme telephonique Expired CA433243A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA433243T

Publications (1)

Publication Number Publication Date
CA433243A true CA433243A (fr) 1946-02-26

Family

ID=35547860

Family Applications (1)

Application Number Title Priority Date Filing Date
CA433243A Expired CA433243A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA433243A (fr)

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