Firecracker capable of reducing environmental pollution

The invention discloses a firecracker. Due to the fact that the frequency of bursting firecracker bodies during firecracker setting off is reduced, the number of the burst firecracker bodies is reduced within the same view time, and environmental pollution, manufacturing cost, storage places and tra...

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Bibliographische Detailangaben
1. Verfasser: REN CHANGXING
Format: Patent
Sprache:chi ; eng
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