Technological developments in lead and zinc production and their significance to developing countries.
Material type:
TextSeries: Document (United Nations) ; ID/45:ID/WG.33/19Publication details: New York : United Nations, 1970.Subject(s): - Lead industry and trade -- Congresses. -- Lead industry and trade -- Congresses
- Zinc industry and trade -- Congresses. -- Zinc industry and trade -- Congresses
- Developing countries -- Lead industry and trade -- Congresses. -- Developing countries -- Lead industry and trade -- Congresses. -- Developing countries -- Lead industry and trade -- Congresses
- Developing countries -- Zinc industry and trade -- Congresses. -- Developing countries -- Zinc industry and trade -- Congresses. -- Developing countries -- Zinc industry and trade -- Congresses
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At head of title: United Nations Industrial Development Organization.
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