6th international report on the prevention and suppression of dust in mining, tunnelling and quarrying, 1973-1977.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva :
International Labour Office,
1982.
|
| Cyfres: | Occupational safety and health series ;
no. 48 |
| Pynciau: |
| Disgrifiad Corfforoll: | ix, 152 p. |
|---|---|
| ISBN: | 9221030067 |