CA170835A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA170835A
CA170835A CA000170835A CA170835DA CA170835A CA 170835 A CA170835 A CA 170835A CA 000170835 A CA000170835 A CA 000170835A CA 170835D A CA170835D A CA 170835DA CA 170835 A CA170835 A CA 170835A
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
CA000170835A
Other languages
English (en)
Inventor
G.A. Betulander
Nils Gunnar
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 CA170835A publication Critical patent/CA170835A/fr
Expired legal-status Critical Current

Links

CA000170835A 1916-01-29 1916-01-29 Systeme d'echange telephonique Expired CA170835A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA170835T 1916-01-29

Publications (1)

Publication Number Publication Date
CA170835A true CA170835A (fr) 1916-07-18

Family

ID=45290497

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000170835A Expired CA170835A (fr) 1916-01-29 1916-01-29 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA170835A (fr)

Similar Documents

Publication Publication Date Title
CA170835A (fr) Systeme d'echange telephonique
CA174327A (fr) Systeme d'echange telephonique
CA174337A (fr) Systeme d'echange telephonique
CA174691A (fr) Systeme d'echange telehonique
CA175426A (fr) Systeme d'echange telephonique
CA176353A (fr) Systeme d'echange telephonique
CA176354A (fr) Systeme d'echange telephonique
CA176766A (fr) Systeme d'echange telephonique
CA177247A (fr) Systeme d'echange telephonique
CA177383A (fr) Systeme d'echange telephonique
CA178266A (fr) Systeme d'echange telephonique
CA179366A (fr) Systeme d'echange telephonique
CA179368A (fr) Systeme d'echange telephonique
CA180540A (fr) Systeme d'echange telephonique
CA181170A (fr) Systeme d'echange telephonique
CA182584A (fr) Systeme d'echange telephonique
CA180278A (fr) Echange telephonique
CA167736A (fr) Systeme telephonique
CA172953A (fr) Systeme telephonique
CA173904A (fr) Systeme telephonique
CA174086A (fr) Systeme telephonique
CA175427A (fr) Systeme telephonique
CA175624A (fr) Systeme de telephones
CA175625A (fr) Systeme de telephones
CA176096A (fr) Systeme telephonique