CA68232A - Telephone exchange system - Google Patents

Telephone exchange system

Info

Publication number
CA68232A
CA68232A CA000068232A CA68232DA CA68232A CA 68232 A CA68232 A CA 68232A CA 000068232 A CA000068232 A CA 000068232A CA 68232D A CA68232D A CA 68232DA CA 68232 A CA68232 A CA 68232A
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
CA000068232A
Other languages
French (fr)
Inventor
George Leakin Cragg
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
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 Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA68232A publication Critical patent/CA68232A/en
Expired legal-status Critical Current

Links

CA000068232A 1898-10-05 1898-10-05 Telephone exchange system Expired CA68232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA68232T 1898-10-05

Publications (1)

Publication Number Publication Date
CA68232A true CA68232A (en) 1900-07-27

Family

ID=45184770

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000068232A Expired CA68232A (en) 1898-10-05 1898-10-05 Telephone exchange system

Country Status (1)

Country Link
CA (1) CA68232A (en)

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