SIS SS-EN 148-3-1992 呼吸防护装置．面罩螺纹．螺纹连接M 45x3

标准号：SIS SS-EN 148-3-1992
中文标准名称：呼吸防护装置．面罩螺纹．螺纹连接M 45x3
英文标准名称：Respiratory protective devices — Threads for facepieces — Thread connection M 45x3
发布日期：1992/8/27 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：This European Standard applies to self-contained compressed air breathing apparatus designed as positive pressure breathing apparatus.This European Standard specifies a thread connection, M 45 x 3, which may optionally be used for facepieces for positive pressure breathing apparatus.This standard does not apply to negative pressure breathing apparatus, to closed-circuit breathing apparatus or to diving equipment.