GB/T 39782-2021.Specifications for safe firing area map-drawing of anti-aircraft gun at weather modi...
GB/T 51422-2021 建筑金属板围护系统检测鉴定及加固技术标准
GB/T 51422-2021.Technical standard for test ,appraisal and strengthening of metal building envelope ...
GB/T 51439-2021 城市步行和自行车交通系统规划标准
GB/T 51439-2021.Standard for urban pedestrian and bicycle transport system planning. 1总则 1.0.1 为保障城市...
GB/T 40044-2021 快递服务制造业仓配信息交换规范
GB/T 40044-2021.Specification of warehouse distribution information exchange in express service manu...
GB/T 39994-2021 聚烯烃管道中六种金属元素(铁、钙、镁、锌、钛、铜)的测定
GB/T 39994-2021.Determination of six metal elements (iron, calcium, magnesium,zinc,titanium, copper)...
GB/T 40009-2021 废轮胎、废橡胶热裂解技术规范
GB/T 40009-2021.Technical specification of waste tyre/ rubber pyrolysis. 1范围 GB/T 40009规定了废轮胎、废橡胶热裂解...
GB/T 50051-2021 烟囱工程技术标准
GB/T 50051-2021.Technical standard for chimney engineering. 1总则 1.0.1 为规范和指导烟囱的设计、施工和验收,保障人身健康和生命财产安...
GB/T 39986-2021 泵 试验 污水和类似应用的潜水搅拌器
GB/T 39986-2021.Pumps一Testing一Submersible mixers for wastewater and similar applications. 1范围 GB/T 3...
GB/T 39968-2021 建筑用通风百叶窗技术要求
GB/T 39968-2021.Technical specification of ventilation louvers for building. 1范围 GB/T 39968规定了建筑用通风百...
GB/T 39952-2021 二氧化钛基光催化分散液
GB/T 39952-2021.Titanium dioxide-based dispersion for photocatalysis. 1范围 GB/T 39952规定了二氧化钛基光催化分散液的产...
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