摘要:Recently,the Ministry of Industry and Information Technology(MIIT)released the publicity for approval of 12 industry standards and 10 industry standards in foreign languages,including three rare earth industry standards in foreign languages,such as the chemical analysis methods for neodymium iron boron alloy,determination of zirconium.
關鍵詞:approvalNEODYMIUMZIRCONIUM
分類號: F426[經濟管理—產業經濟]F203[經濟管理—國民經濟]