Technical tripartite meeting on the coal-mining industry, Geneva, May 1938 : report of the International Labour Office.
Sparad:
| Institutionella upphovsmän: | , |
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| Materialtyp: | Konferenspublikation Bok |
| Språk: | English |
| Publicerad: |
Geneva :
International Labour Office,
1938.
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| Ämnen: |
| Fysisk beskrivning: | 3v. : folded diag. ; 24 cm. |
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