4. Photography and optical equipment
  5. Projector or viewer
  6. Element or attachment

Ralph Kuprewicz

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Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Projector mounting device

Photography and optical equipment – Projector or viewer – Element or attachment
Design Patent

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Profile ID: LFUS-PAI-P-3219243

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