Pyrotechnic effects flare for a firework
A pyrotechnic effects flare consists of a backing foil coated with two or more layers of different pyrotechnic agents. Also claimed is a firework including the above flare.
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | A pyrotechnic effects flare consists of a backing foil coated with two or more layers of different pyrotechnic agents. Also claimed is a firework including the above flare. |
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