CA413013A - Telephone switching apparatus - Google Patents

Telephone switching apparatus

Info

Publication number
CA413013A
CA413013A CA413013A CA413013DA CA413013A CA 413013 A CA413013 A CA 413013A CA 413013 A CA413013 A CA 413013A CA 413013D A CA413013D A CA 413013DA CA 413013 A CA413013 A CA 413013A
Authority
CA
Canada
Prior art keywords
switching apparatus
telephone switching
telephone
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
CA413013A
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
Publication date
Application granted granted Critical
Publication of CA413013A publication Critical patent/CA413013A/en
Expired legal-status Critical Current

Links

CA413013A Telephone switching apparatus Expired CA413013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA413013T

Publications (1)

Publication Number Publication Date
CA413013A true CA413013A (en) 1943-06-08

Family

ID=35522183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA413013A Expired CA413013A (en) Telephone switching apparatus

Country Status (1)

Country Link
CA (1) CA413013A (en)

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