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据英国《金属文摘》1992年第9期(月刊)报道,一项高硬度装甲钢板因大大改善了碎片的弹道性能而获欧共体专利。专利号为EP0423004。
According to the British “Metal Abstracts” 1992 9 (monthly) reported that a high hardness armor plate due to greatly improve the ballistic performance of debris obtained by the European Community patent. Patent No. EP0423004.