GB/T 38980-2020.Test method for artificial defect sizes of zirconium tube flaw detection comparison samples.1范围GB/T 38980规定了锆管探伤用对比试样人工缺陷(人工槽...
GB/T 39026-2020.Test method for the identification of recycled polyethylene terephthalate( PET) fiber.1范围GB/T 39026规定了循环再利用聚酯(PET)纤维(以下简称再生涤纶...
GB/T 39025-2020.Spun-dyed polyimide staple fiber.1范围GB/T 39025规定了有色聚酰亚胺短纤维的术语和定义、产品标识、技术要求、试验方法、检验规则和...
GB/T 38968-2020.Guidelines for circular economy practical technologies in copper smelting industry.1范围GB/T 38968规定了铜冶炼行业发展循环经济的基本原则、循环产...
GB/T 50518-2020.Standard for the equipment of ventilative safety of coal mine.1总则1.0.1 为统一煤炭矿井通风安全装备配置标准,做到技术先进、经济合理、安全...
GB/T 38990-2020.Waterborne epoxylite emulsified binder mixture for road engineering.1范围GB/T 38990规定了道路用水性环氧树脂乳化沥青混合料的材料、要求、检验...
GB/T 51421-2020.Technical standard of communication pole line engineering for aerial optical ( copper ) cable.1总则1.0.1 为提高架空光(电)缆通信杆路工程建设水平,落...
GB/T 38989-2020.Uniaxial compressive elastic modulus test method of materials stabilazed with inorganic binder ( middle segment method).1范围GB/T 38989规定了无机结合料稳定...
GB/T 27710-2020.Floor drain.1范围GB/T 27710规定了地漏的术语和定义、分类、材料、要求、试验方法、检验规则及标志、包装、运输和贮存。GB/T 27...
GB/T 38979-2020.Sanitary wares-Test method for flushing noise of toilet.1范围GB/T 38979规定了坐便器(不包含使用压力式冲水装置的坐便器和智能坐便器)冲洗噪...
