4th international report on the prevention and suppression of dust in mining, tunnelling and quarrying.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Geneva :
International Labour Office,
1970.
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| Series: | Occupational safety and health series ;
no. 24. |
| Subjects: |
| Physical Description: | ix, 73 p. ; 24 cm. |
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