CA502241A - Switching apparatus for telephone systems - Google Patents

Switching apparatus for telephone systems

Info

Publication number
CA502241A
CA502241A CA502241A CA502241DA CA502241A CA 502241 A CA502241 A CA 502241A CA 502241 A CA502241 A CA 502241A CA 502241D A CA502241D A CA 502241DA CA 502241 A CA502241 A CA 502241A
Authority
CA
Canada
Prior art keywords
switching apparatus
telephone systems
telephone
systems
switching
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
CA502241A
Other languages
French (fr)
Inventor
Sengebusch Hans
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA502241A publication Critical patent/CA502241A/en
Expired legal-status Critical Current

Links

CA502241A Switching apparatus for telephone systems Expired CA502241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA502241T

Publications (1)

Publication Number Publication Date
CA502241A true CA502241A (en) 1954-05-11

Family

ID=35648140

Family Applications (1)

Application Number Title Priority Date Filing Date
CA502241A Expired CA502241A (en) Switching apparatus for telephone systems

Country Status (1)

Country Link
CA (1) CA502241A (en)

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