CA650573A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA650573A
CA650573A CA650573A CA650573DA CA650573A CA 650573 A CA650573 A CA 650573A CA 650573 A CA650573 A CA 650573A CA 650573D A CA650573D A CA 650573DA CA 650573 A CA650573 A CA 650573A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
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
CA650573A
Inventor
L. M. Le Queau Roger
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA650573A publication Critical patent/CA650573A/en
Expired legal-status Critical Current

Links

CA650573A Telephone systems Expired CA650573A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA650573T

Publications (1)

Publication Number Publication Date
CA650573A true CA650573A (en) 1962-10-16

Family

ID=35939217

Family Applications (1)

Application Number Title Priority Date Filing Date
CA650573A Expired CA650573A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA650573A (en)

Similar Documents

Publication Publication Date Title
AU412885B1 (en) Facsimile systems
CA650573A (en) Telephone systems
AU265813B2 (en) Telephone systems
CA641506A (en) Telephone systems
CA643064A (en) Telephone systems
AU2586962A (en) Telephone systems
CA640172A (en) Telephone system
CA634925A (en) Internal telephone systems
CA623535A (en) Telephone systems
CA619776A (en) Telephone systems
CA614962A (en) Telephone systems
CA627316A (en) Telephone systems
CA627432A (en) Telephone systems
CA612173A (en) Telephone systems
CA612780A (en) Telephone systems
CA648230A (en) Automatic telephone systems
AU271052B2 (en) Improvements to telephone systems
AU279154B2 (en) Remote telephone extension system
CA641558A (en) Telephone signaling system
CA672172A (en) Telephone systems
CA670094A (en) Telephone systems
CA654459A (en) Automatic telephone system
CA641166A (en) Automatic telephone system
CA653308A (en) Automatic telephone system
CA649951A (en) Automatic telephone system