CA293001A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA293001A
CA293001A CA293001A CA293001DA CA293001A CA 293001 A CA293001 A CA 293001A CA 293001 A CA293001 A CA 293001A CA 293001D A CA293001D A CA 293001DA CA 293001 A CA293001 A CA 293001A
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
CA293001A
Other languages
English (en)
Inventor
L. Ruggles Leonard
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA293001A publication Critical patent/CA293001A/fr
Expired legal-status Critical Current

Links

CA293001A Systeme telephonique Expired CA293001A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293001T

Publications (1)

Publication Number Publication Date
CA293001A true CA293001A (fr) 1929-09-10

Family

ID=35230320

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293001A Expired CA293001A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA293001A (fr)

Similar Documents

Publication Publication Date Title
CA294179A (fr) Systeme telephonique
CA294278A (fr) Systeme telephonique
CA289465A (fr) Systeme telephonique
CA296014A (fr) Systeme telephonique
CA295580A (fr) Systeme telephonique
CA295195A (fr) Systeme telephonique
CA295181A (fr) Systeme telephonique
CA295180A (fr) Systeme telephonique
CA295160A (fr) Systeme telephonique
CA295159A (fr) Systeme telephonique
CA295098A (fr) Systeme telephonique
CA294819A (fr) Systeme telephonique
CA294784A (fr) Systeme telephonique
CA294773A (fr) Systeme telephonique
CA293001A (fr) Systeme telephonique
CA293314A (fr) Reseau telephonique
CA293004A (fr) Systeme telephonique
CA293003A (fr) Systeme telephonique
CA293002A (fr) Systeme telephonique
CA292999A (fr) Systeme telephonique
CA292955A (fr) Systeme telephonique
CA292954A (fr) Systeme telephonique
CA292865A (fr) Systeme telephonique
CA292864A (fr) Systeme telephonique
CA292739A (fr) Systeme telephonique