CA399805A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA399805A
CA399805A CA399805A CA399805DA CA399805A CA 399805 A CA399805 A CA 399805A CA 399805 A CA399805 A CA 399805A CA 399805D A CA399805D A CA 399805DA CA 399805 A CA399805 A CA 399805A
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
CA399805A
Other languages
English (en)
Inventor
H. Voss John
F. Crocker Thomas
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 CA399805A publication Critical patent/CA399805A/fr
Expired legal-status Critical Current

Links

CA399805A Systeme telephonique Expired CA399805A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399805T

Publications (1)

Publication Number Publication Date
CA399805A true CA399805A (fr) 1941-10-07

Family

ID=35410251

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399805A Expired CA399805A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA399805A (fr)

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