CEN/TC 79
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 1998 | LVS EN 148-1:1999 | Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection | Atcelts |
| 60082 | LVS EN 148-1:2019 | Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection | Standarts spēkā |
| 1932 | LVS EN 148-2:1987 | Respiratory protective devices - Threads for facepieces - Centre thread connection | Atcelts |
| 2029 | LVS EN 148-2:1987/AC1:1987 | Respiratory protective devices - Threads for facepieces - Centre thread connection | Atcelts |
| 2027 | LVS EN 148-2:1987/AC:1992 | Respiratory protective devices - Threads for facepieces - Centre thread connection | Atcelts |
| 1999 | LVS EN 148-2:1999 | Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection | Standarts spēkā |
| 1945 | LVS EN 148-3:1992 | Respiratory protective devices - Threads for facepieces - Thread connection M 45 x 3 | Atcelts |
| 2037 | LVS EN 148-3:1992/AC:1996 | Respiratory protective devices - Threads for facepieces - Thread connection M 45 x 3 | Atcelts |
| 2000 | LVS EN 148-3:1999 | Respiratory protective devices - Threads for facepieces - Part 3: Thread connection M 45 x 3 | Standarts spēkā |
| 1926 | LVS EN 149:1991 | Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking | Atcelts |
Displaying 271-280 of 349 results.