CA159899A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA159899A
CA159899A CA000159899A CA159899DA CA159899A CA 159899 A CA159899 A CA 159899A CA 000159899 A CA000159899 A CA 000159899A CA 159899D A CA159899D A CA 159899DA CA 159899 A CA159899 A CA 159899A
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
CA000159899A
Other languages
English (en)
Inventor
Edward E. Clement
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 CA159899A publication Critical patent/CA159899A/fr
Expired legal-status Critical Current

Links

CA000159899A 1912-04-16 1912-04-16 Systeme d'echange telephonique Expired CA159899A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159899T 1912-04-16

Publications (1)

Publication Number Publication Date
CA159899A true CA159899A (fr) 1915-01-05

Family

ID=45279603

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000159899A Expired CA159899A (fr) 1912-04-16 1912-04-16 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA159899A (fr)

Similar Documents

Publication Publication Date Title
CA151812A (fr) Systeme d'echange telephonique
CA162835A (fr) Systeme d'echange telephonique
CA163005A (fr) Systeme d'echange telephonique
CA151298A (fr) Systeme d'echange telephonique
AU481212A (en) Telephone exchange systems
AU530212A (en) Telephone exchange systems
CA167024A (fr) Systeme de communication d'echanges telephoniques
CA167036A (fr) Systeme d'echange telephonique
CA140338A (fr) Systeme de telephones
CA159742A (fr) Systeme telephonique
CA170652A (fr) Systeme telephonique
CA165218A (fr) Systeme telephonique
CA159898A (fr) Systeme telephonique
CA163310A (fr) Systeme telephonique
CA148626A (fr) Systeme telephonique
CA140337A (fr) Systeme de telephones
CA166794A (fr) Systeme telephonique
CA163311A (fr) Systeme telephonique
CA159470A (fr) Systeme telephonique
CA174665A (fr) Systeme telephonique
CA165220A (fr) Systeme de telephone
CA172567A (fr) Systeme telephonique
CA143214A (fr) Systeme telephonique
CA163312A (fr) Systeme telephonique
CA141573A (fr) Systeme telephonique