津19980022 IH6380B卧式加工中心 天津第一机床总厂 吴胜、胡光曦、杨威、六志春、魏淑英、谈学智、张英章、刘洪涛、林汉元、王树勋、吴长顺津19980023 选用我国超纯磁铁矿粉生产优质还原铁粉 冶金工业部天津地质研究院 张绍宗、王守伦、郭文军、李跃明、刘邦飞、王大文、黄常英、俞燮廷、张婉贞、李连生、张东旭、张祥、周永辉、李宏臣、张书琪、滕新华、胡桂明 Tianjin 19980022 IH6380B Horizontal Machining Center Tianjin No.1 Machine Tool Plant Wu Sheng, Hu Guangxi, Yang Wei, Liu Zhichun, Wei Shuying, Tan Xuezhi, Zhang Yingzhang, Liu Hongtao, Lin Hanyuan, Wang Shuxun, Wu Changshunjin 19980023 Selection of China's ultra-pure magnetite powder production quality Reducing Iron Powder Metallurgy Tianjin Institute of Geology Zhang Shaozong, Wang Shoulun, Guo Wenjun, Li Yueming, Liu Bangfei, Wang Dawen, Huang Changying, Yu Xieting, Zhang Wanzhen, Li Liansheng, Zhang Dongxu, Zhang Xiang, Zhou Yonghui, Li Hongchen, Zhang Shuqi, Teng Xinhua,