专利名称：Amplifier actuator of active materials发明人：AUDREN, JEAN THIERRY申请号：EP98402519.7申请日：19981012公开号：EP0908961A1公开日：19990414
专利附图：
摘要：The piezoelectric drive unit includes tubular ceramic sections allowing a voltageto be applied to the tube producing a strong corkscrew action producing a high levelmechanical drive in a small space.
申请人：SFIM INDUSTRIES
地址：13 avenue Marcel Ramolfo Garnier 91300 Massy FR
国籍：FR
代理机构：Schrimpf, Robert
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