Use "lead-free" in a sentence
1. Lead-free piezoelectric ceramic composition for a sensor and an actuator, and method for manufacturing same
센서 및 액추에이터용 비납계 압전 세라믹 조성물 및 그 제조방법
1. Lead-free piezoelectric ceramic composition for a sensor and an actuator, and method for manufacturing same
센서 및 액추에이터용 비납계 압전 세라믹 조성물 및 그 제조방법