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1.冶金工业部钢铁研究总院难熔合金 研究室(三室)……………………(24)2.山东莱芜粉末冶金厂………………(24)3.天津市武清县津武冶金制件厂……(24)
1. Metallurgical Industry Research Institute of Iron and Steel Research Institute of refractory alloys (three rooms) ........................ (24) 2. Shandong Laiwu Powder Metallurgy Factory .................. (24) 3. Wuqing, Tianjin County Jinwu Metallurgical Factory ...... (24)