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- Guangdong Ferro-Niobium Price on Aug 31,2007Aug 31, 2007
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- Guangdong Ferro-Niobium Price on Aug 20,2007Aug 20, 2007
- Guangdong Ferro-Niobium Price on Aug 17,2007Aug 17, 2007
- Guangdong Ferro-Niobium Price on Aug 16,2007Aug 16, 2007
- Guangdong Ferro-Niobium Price on Aug 15,2007Aug 15, 2007