Difference between revisions of "Patent for Perfectionnements apportés aux procédés pour obtenir des effets spéciaux lors dela projection de fonds de théâtres, de vitrines, de réclames, etc., Geyling, Planer, 1928 (Q38422)"

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Improvements made to processes for obtaining special effects when projecting backdrops for theatres, shop windows, advertisements, etc.,

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Latest revision as of 10:42, 2 April 2025

Improvements made to processes for obtaining special effects when projecting backdrops for theatres, shop windows, advertisements, etc.,
  • FR635032A
Language Label Description Also known as
English
Patent for Perfectionnements apportés aux procédés pour obtenir des effets spéciaux lors dela projection de fonds de théâtres, de vitrines, de réclames, etc., Geyling, Planer, 1928
Improvements made to processes for obtaining special effects when projecting backdrops for theatres, shop windows, advertisements, etc.,
  • FR635032A

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