Ngwaahịa Akwụkwọ DIEN TECH-AgGaGe5Se12 kristal Budata DIEN TECH-AgGaSe2 crystal Budata DIEN TECH-AgGaGeS4 kristal Budata DIEN TECH-Ce: YAG crystal Budata DIEN TECH-Yb:YAG crystal Budata DIEN TECH-Nd:YAG crystal Budata << < gara aga123456Ọzọ >>> Peeji nke 4/7