CA489986A - Appareil d'enregistrement electrique - Google Patents

Appareil d'enregistrement electrique

Info

Publication number
CA489986A
CA489986A CA489986A CA489986DA CA489986A CA 489986 A CA489986 A CA 489986A CA 489986 A CA489986 A CA 489986A CA 489986D A CA489986D A CA 489986DA CA 489986 A CA489986 A CA 489986A
Authority
CA
Canada
Prior art keywords
recording apparatus
electric recording
electric
recording
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
CA489986A
Other languages
English (en)
Inventor
Reich Stefan
Deverell White Desmond
Ronald Osborn Frank
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.)
Dufay Ltd
Original Assignee
Dufay Ltd
Publication date
Application granted granted Critical
Publication of CA489986A publication Critical patent/CA489986A/fr
Expired legal-status Critical Current

Links

CA489986A Appareil d'enregistrement electrique Expired CA489986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489986T

Publications (1)

Publication Number Publication Date
CA489986A true CA489986A (fr) 1953-01-27

Family

ID=35629715

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489986A Expired CA489986A (fr) Appareil d'enregistrement electrique

Country Status (1)

Country Link
CA (1) CA489986A (fr)

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