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铁道部标准计量研究所按铁道部科技技〔2006〕90号文《关于做好产品标识代码编制工作的通知》规定要求,依据TB/T3137—2006《铁路产品标识代码
Ministry of Railways Institute of Standards and Metrology in accordance with Ministry of Railways Science and Technology [2006] No. 90, “on the preparation of product identification code,” the provisions of the requirements, based on TB / T3137-2006 "Railway Product Identification Code