NA 027

DIN Standards Committee Optics and Precision Mechanics

DIN EN 15333-1 [CURRENT] references following documents:

Document number Edition Title
EN 148-2 1999-02 Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection More 
EN 148-3 1999-02 Respiratory protective devices - Threads for facepieces - Part 3: Thread connection M 45×3 More