6th international report on the prevention and suppression of dust in mining, tunnelling and quarrying, 1973-1977.
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企业作者: | |
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格式: | 图书 |
语言: | English |
出版: |
Geneva :
International Labour Office,
1982.
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丛编: | Occupational safety and health series ;
no. 48 |
主题: |
实物描述: | ix, 152 p. |
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ISBN: | 9221030067 |