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2007年10月23日～25日,2007北京国际钛锆铪产品展览会在北京市规划展览馆召开。全国政协委员、中国有色金属工业协会会长康义和中国工程院院士、钛协
October 23, 2007 ~ 25, 2007 Beijing International titanium zirconium hafnium Products Exhibition held in Beijing Planning Exhibition Hall. CPPCC National Committee members, China Nonferrous Metals Industry Association and Yi Kang Yi Chinese Academy of Engineering, Titanium Association