YY/T 0742-2009.Particular specifications for gastrointestinal diagnostic X-ray equipment. YY/T 0742规...
YY医药标准
YY医药标准
YY医药标准
YY/T 0742-2021代替YY/T 0742-2009 胃肠X射线机专用技术条件
YY/T 0742-2021代替YY/T 0742-2009.Particular speci fications for gastrointestinal diagnostic X-ray equi...