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2005年10月25日至28日在北京召开的第11 届北京国际采矿技术博览会,共有35家德国企业参 展,其中24家来自德国北威州,同时德国政府对本 届博览会给予了大力支持。 在博览会召开期间还要举办第一届中国国际煤 矿瓦斯防治与利用大会,出席大会的专家来自德国、 中国、波兰、英国、日本、南非、澳大利亚和美国。煤 矿瓦斯的防治与利用涉及到煤矿的安全生产和大气
From October 25 to 28, 2005, the 11th Beijing International Mining and Technology Expo was held in Beijing. A total of 35 German companies participated in the exhibition, of which 24 were from North Rhine-Westphalia. At the same time, the German government gave great support to this expo. The first China International Conference on Coal Mine Methane Prevention and Utilization was also held during the Expo. The experts from Germany, China, Poland, the United Kingdom, Japan, South Africa, Australia and the United States attended the conference. Prevention and control of coal mine gas involves the safety of coal mines and the atmosphere