QB/T 1657.1-2002.Commonly used technique terms for lip vibration aerophones. 1范围 QB/T 1657.1规定了唇振动气鸣...
QB/T 1657.1-2012 唇振动气鸣乐器通用技术条件
QB/T 1657.1-2012.General technical requirements of lip vibration aerophones. QB/T 1657.1规定了唇振动气鸣乐器的术...