CA498762A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA498762A
CA498762A CA498762A CA498762DA CA498762A CA 498762 A CA498762 A CA 498762A CA 498762 A CA498762 A CA 498762A CA 498762D A CA498762D A CA 498762DA CA 498762 A CA498762 A CA 498762A
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
CA498762A
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 CA498762A publication Critical patent/CA498762A/en
Expired legal-status Critical Current

Links

CA498762A Telephone systems Expired CA498762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA498762T

Publications (1)

Publication Number Publication Date
CA498762A true CA498762A (en) 1953-12-29

Family

ID=35644203

Family Applications (1)

Application Number Title Priority Date Filing Date
CA498762A Expired CA498762A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA498762A (en)

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