CA584472A - Automatic exchange systems - Google Patents

Automatic exchange systems

Info

Publication number
CA584472A
CA584472A CA584472A CA584472DA CA584472A CA 584472 A CA584472 A CA 584472A CA 584472 A CA584472 A CA 584472A CA 584472D A CA584472D A CA 584472DA CA 584472 A CA584472 A CA 584472A
Authority
CA
Canada
Prior art keywords
exchange systems
automatic exchange
automatic
systems
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
CA584472A
Other languages
French (fr)
Inventor
E. Flood John
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 CA584472A publication Critical patent/CA584472A/en
Expired legal-status Critical Current

Links

CA584472A Automatic exchange systems Expired CA584472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA584472T

Publications (1)

Publication Number Publication Date
CA584472A true CA584472A (en) 1959-10-06

Family

ID=35763916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA584472A Expired CA584472A (en) Automatic exchange systems

Country Status (1)

Country Link
CA (1) CA584472A (en)

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