BE391378A - - Google Patents

Info

Publication number
BE391378A
BE391378A BE391378DA BE391378A BE 391378 A BE391378 A BE 391378A BE 391378D A BE391378D A BE 391378DA BE 391378 A BE391378 A BE 391378A
Authority
BE
Belgium
Prior art keywords
film
sound
drum
box
projection
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE391378A publication Critical patent/BE391378A/fr

Links

Landscapes

  • Projection Apparatus (AREA)
BE391378D BE391378A (esLanguage)

Publications (1)

Publication Number Publication Date
BE391378A true BE391378A (esLanguage)

Family

ID=59173

Family Applications (1)

Application Number Title Priority Date Filing Date
BE391378D BE391378A (esLanguage)

Country Status (1)

Country Link
BE (1) BE391378A (esLanguage)

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