CA367291A - Systeme telephonique, telegraphique ou de signalisation - Google Patents

Systeme telephonique, telegraphique ou de signalisation

Info

Publication number
CA367291A
CA367291A CA367291A CA367291DA CA367291A CA 367291 A CA367291 A CA 367291A CA 367291 A CA367291 A CA 367291A CA 367291D A CA367291D A CA 367291DA CA 367291 A CA367291 A CA 367291A
Authority
CA
Canada
Prior art keywords
telegraph
telephone
signal system
signal
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
CA367291A
Other languages
English (en)
Inventor
Daniel Vigren Sten
Rost Helge
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA367291A publication Critical patent/CA367291A/fr
Expired legal-status Critical Current

Links

CA367291A Systeme telephonique, telegraphique ou de signalisation Expired CA367291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA367291T

Publications (1)

Publication Number Publication Date
CA367291A true CA367291A (fr) 1937-07-13

Family

ID=35368359

Family Applications (1)

Application Number Title Priority Date Filing Date
CA367291A Expired CA367291A (fr) Systeme telephonique, telegraphique ou de signalisation

Country Status (1)

Country Link
CA (1) CA367291A (fr)

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