CA106877A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA106877A
CA106877A CA000106877A CA106877DA CA106877A CA 106877 A CA106877 A CA 106877A CA 000106877 A CA000106877 A CA 000106877A CA 106877D A CA106877D A CA 106877DA CA 106877 A CA106877 A CA 106877A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA000106877A
Other languages
English (en)
Inventor
Francis William Dunbar
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA106877A publication Critical patent/CA106877A/fr
Expired legal-status Critical Current

Links

CA000106877A 1905-05-22 1905-05-22 Systeme d'echange telephonique Expired CA106877A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA106877T 1905-05-22

Publications (1)

Publication Number Publication Date
CA106877A true CA106877A (fr) 1907-08-06

Family

ID=45226605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000106877A Expired CA106877A (fr) 1905-05-22 1905-05-22 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA106877A (fr)

Similar Documents

Publication Publication Date Title
CA106877A (fr) Systeme d'echange telephonique
AU337705A (en) Telephone exchange system
CA93651A (fr) Exchange telephonique
CA96431A (fr) Systeme de telephones
AU337705B (en) Telephone exchange system
CA157401A (fr) Systeme d'echange telephonique
CA101353A (fr) Systeme d'echange de telephone
CA95635A (fr) Mecanisme d'echange pour telephones
AU263005A (en) Telephone transmitters
CA97660A (fr) Thermometre
CA102063A (fr) Telephone
CA94629A (fr) Telephone
CA97285A (fr) Telephone
CA115289A (fr) Echange telephonique
CA131997A (fr) Echange telephonique
AU284505A (en) Telephone exchanges
CA104096A (fr) Systeme telautographique
CA102159A (fr) Repetiteur de telephone
CA101617A (fr) Systeme de telephone
CA98217A (fr) Systeme de telephone
CA94231A (fr) Systeme de signalement
CA93603A (fr) Bidon
CA93650A (fr) Appel de telephone
CA94344A (fr) Ligne de telephone
CA97733A (fr) Porte telephone