CA132117A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA132117A
CA132117A CA000132117A CA132117DA CA132117A CA 132117 A CA132117 A CA 132117A CA 000132117 A CA000132117 A CA 000132117A CA 132117D A CA132117D A CA 132117DA CA 132117 A CA132117 A CA 132117A
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
CA000132117A
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 CA132117A publication Critical patent/CA132117A/fr
Expired legal-status Critical Current

Links

CA000132117A 1909-03-15 1909-03-15 Systeme d'echange telephonique Expired CA132117A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA132117T 1909-03-15

Publications (1)

Publication Number Publication Date
CA132117A true CA132117A (fr) 1911-04-04

Family

ID=45251837

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000132117A Expired CA132117A (fr) 1909-03-15 1909-03-15 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA132117A (fr)

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