CA635029A - Automatic telephone and like exchange systems - Google Patents

Automatic telephone and like exchange systems

Info

Publication number
CA635029A
CA635029A CA635029A CA635029DA CA635029A CA 635029 A CA635029 A CA 635029A CA 635029 A CA635029 A CA 635029A CA 635029D A CA635029D A CA 635029DA CA 635029 A CA635029 A CA 635029A
Authority
CA
Canada
Prior art keywords
automatic telephone
exchange systems
exchange
systems
telephone
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
CA635029A
Inventor
W. S. Kinsey 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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA635029A publication Critical patent/CA635029A/en
Expired legal-status Critical Current

Links

CA635029A Automatic telephone and like exchange systems Expired CA635029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA635029T

Publications (1)

Publication Number Publication Date
CA635029A true CA635029A (en) 1962-01-23

Family

ID=35891211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA635029A Expired CA635029A (en) Automatic telephone and like exchange systems

Country Status (1)

Country Link
CA (1) CA635029A (en)

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