***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Piezoelectric vibrator, manufacturing method thereof and linear actuator having the sameBurhanettin Koc, Dong Kyun Lee, Byung Woo Kangmag(2010)引用 23|浏览3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