From the design and development of head acoustic monitoring mission by กอิ consumption secondary material from the front and one type of material from metal e530c peer technology Center (MTEC) national materials and.
From design and development of the acoustic emission monitoring. By using materials from the same material as the front pad. Materials and peer Association of National Metal and Materials Technology Center (MTEC).
Design and development of acoustic sensor electronic mission By using the secondary material in front of material from a single species. Materials and peer so national metal and materials technology center (MTEC).