CA501232A - Switching apparatus for telephone systems - Google Patents

Switching apparatus for telephone systems

Info

Publication number
CA501232A
CA501232A CA501232A CA501232DA CA501232A CA 501232 A CA501232 A CA 501232A CA 501232 A CA501232 A CA 501232A CA 501232D A CA501232D A CA 501232DA CA 501232 A CA501232 A CA 501232A
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
CA501232A
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 CA501232A publication Critical patent/CA501232A/en
Expired legal-status Critical Current

Links

CA501232A Switching apparatus for telephone systems Expired CA501232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA501232T

Publications (1)

Publication Number Publication Date
CA501232A true CA501232A (en) 1954-04-06

Family

ID=35647127

Family Applications (1)

Application Number Title Priority Date Filing Date
CA501232A Expired CA501232A (en) Switching apparatus for telephone systems

Country Status (1)

Country Link
CA (1) CA501232A (en)

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