CA596009A - Automatic telecommunication exchanges - Google Patents

Automatic telecommunication exchanges

Info

Publication number
CA596009A
CA596009A CA596009A CA596009DA CA596009A CA 596009 A CA596009 A CA 596009A CA 596009 A CA596009 A CA 596009A CA 596009D A CA596009D A CA 596009DA CA 596009 A CA596009 A CA 596009A
Authority
CA
Canada
Prior art keywords
automatic telecommunication
telecommunication exchanges
exchanges
automatic
telecommunication
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
CA596009A
Inventor
H. Bray Frederick
G. Knight Ronald
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 CA596009A publication Critical patent/CA596009A/en
Expired legal-status Critical Current

Links

CA596009A Automatic telecommunication exchanges Expired CA596009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA596009T

Publications (1)

Publication Number Publication Date
CA596009A true CA596009A (en) 1960-04-12

Family

ID=35809531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA596009A Expired CA596009A (en) Automatic telecommunication exchanges

Country Status (1)

Country Link
CA (1) CA596009A (en)

Similar Documents

Publication Publication Date Title
CA596009A (en) Automatic telecommunication exchanges
AU245338B2 (en) Automatic branch telephone exchange
CA606161A (en) Device for automatic telephone exchanges
CA654626A (en) Automatic telecommunication exchanges
CA614898A (en) Automatic exchanges
IE24237L (en) Automatic telephone exchanges
AU5618160A (en) Automatic branch telephone exchange
CA592748A (en) Automatic telecommunication exchange system
CA592103A (en) Busy-verification automatic telephone system
CA595354A (en) Automatic telephone system
CA597294A (en) Automatic telephone system
CA599265A (en) Automatic telephone system
CA603161A (en) Automatic telephone system
CA611267A (en) Automatic telephone system
AU253798B2 (en) Automatic calling arrangement
CA594759A (en) Automatic telephone exchange systems
CA608418A (en) Automatic telephone systems
CA598047A (en) Automatic telephone systems
AU256337B2 (en) Automatic telephone systems
CA590808A (en) Automatic telephone systems
CA594218A (en) Automatic telephone systems
CA594222A (en) Automatic telephone systems
CA594657A (en) Automatic telephone systems
CA537495A (en) Telecommunication systems embodying automatic exchanges
CA539002A (en) Telecommunication systems embodying automatic exchanges