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CA502238A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA502238A
CA502238A CA502238A CA502238DA CA502238A CA 502238 A CA502238 A CA 502238A CA 502238 A CA502238 A CA 502238A CA 502238D A CA502238D A CA 502238DA CA 502238 A CA502238 A CA 502238A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
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
CA502238A
Other languages
French (fr)
Inventor
Molnar Imre
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 CA502238A publication Critical patent/CA502238A/en
Expired legal-status Critical Current

Links

CA502238A Telephone systems Expired CA502238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA502238T

Publications (1)

Publication Number Publication Date
CA502238A true CA502238A (en) 1954-05-11

Family

ID=35648137

Family Applications (1)

Application Number Title Priority Date Filing Date
CA502238A Expired CA502238A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA502238A (en)

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