Forgery-proof security element with color shift effectMartin Bergsmann,Friedrich Kastner,Jurgen Keplinger,Georg Bauer,Harald Waltermag(2014)引用 23|浏览0暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要