This European Standard is applicable 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 European Standard does not apply to negative pressure breathing apparatus, to closed-circuit breathing apparatus or to diving equipment.
DS/EN 148-3-1999由丹麦标准化协会 DK-DS 发布于 1999-09-07,并于 1999-03-31 实施。
DS/EN 148-3-1999在国际标准分类中归属于: 13.340.30 呼吸保护装置。
DS/EN 148-3-1999 由 DS/EN 148-3-1992 变更而来。
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