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再生高速钢精料课题通过省级鉴定REGENERATINGHIGHSPEBDSTEELCONCENTRATEPASSEDPROVINCIALAUTHENTICATION¥//由河北省冶金研究所承担开发的再生高速钢精料产品于1995年9月27日通过了由河北...
Regeneration of high-speed steel concentrate subject to provincial-level identification REGENERATINGHIGHSPEBDSTEELCONCENTRATEPASSEDPROVINCIALAUTHENTICATION ¥ / / Hebei Province Institute of Metallurgical Research undertaken by the development of renewable high-speed steel concentrate products on September 27, 1995 passed from Hebei ...