BE375271A - - Google Patents

Info

Publication number
BE375271A
BE375271A BE375271DA BE375271A BE 375271 A BE375271 A BE 375271A BE 375271D A BE375271D A BE 375271DA BE 375271 A BE375271 A BE 375271A
Authority
BE
Belgium
Prior art keywords
recording
film
sounds
negative
amplitude
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE375271A publication Critical patent/BE375271A/fr

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
BE375271D BE375271A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
BE375271A true BE375271A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=45890

Family Applications (1)

Application Number Title Priority Date Filing Date
BE375271D BE375271A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
BE (1) BE375271A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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