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1 金属丝型烟花 专利号：特开平11-30498 摘 要：本文介绍的金属丝型烟花在燃放时，立刻会呈现出一幅具有极高鉴赏性，并持续时间长、不熄灭、造型美观的烟花火花。 该烟花的主要制法是在其表面镀铜，并把作成螺旋状的极细的线材（金属丝材料，丝径15~30mm）聚
1 wire type fireworks patent number: Kaifeng 11-30498 Abstract: This article describes the wire-type fireworks at the time of discharge, will immediately show a highly appreciative, and long duration, do not extinguish, handsome in appearance of fireworks spark. The main method of the fireworks is copper plating on its surface, and the spiral made of very thin wire (wire material, wire diameter 15 ~ 30mm) poly