CA496514A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA496514A
CA496514A CA496514DA CA496514A CA 496514 A CA496514 A CA 496514A CA 496514D A CA496514D A CA 496514DA CA 496514 A CA496514 A CA 496514A
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
Other languages
French (fr)
Inventor
A. Hensler Bernard
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA496514A publication Critical patent/CA496514A/en
Expired legal-status Critical Current

Links

CA496514D Telephone systems Expired CA496514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA496514T

Publications (1)

Publication Number Publication Date
CA496514A true CA496514A (en) 1953-09-29

Family

ID=35641938

Family Applications (1)

Application Number Title Priority Date Filing Date
CA496514D Expired CA496514A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA496514A (en)

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