6th international report on the prevention and suppression of dust in mining, tunnelling and quarrying, 1973-1977.
में बचाया:
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Geneva :
International Labour Office,
1982.
|
| श्रृंखला: | Occupational safety and health series ;
no. 48 |
| विषय: |
| भौतिक वर्णन: | ix, 152 p. |
|---|---|
| आईएसबीएन: | 9221030067 |