标准号:IS 3391-1965
发布日期:1966/2/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard lays down the requirements for binaural stethoscopes used for the detection and study of sounds arising within the human oranimal body. It does not cover special stethoscopes such as multiple lead diaphragm ones or those with extra chest pieces used for demons-tration purposes.