SN - NS 5531:1980
Labour environment - Classification and marking of covered welding electrodes according to required nominal hygienic air volume (NHL)
active, Most Current
| Organization: | SN |
| Publication Date: | 1 February 1980 |
| Status: | active |
| ICS Code (Welding processes): | 25.160.10 |
Document History
NS 5531:1980
February 1, 1980
Labour environment - Classification and marking of covered welding electrodes according to required nominal hygienic air volume (NHL)
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