Standard Number: HB 8423.5-2017(HB8423.5-2017)
Chinese:金属材料牌号鉴别方法 第5部分：看谱法鉴别高速工具钢牌号
English:Identification of metal material grades Part 5: identification of high-speed tool steel grades by spectroscopic method
Effective Date:2017-10-01
Standard Applicability:
PDF Downloadable: Y
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