DB34-T 5231-2025 7 24小时政务服务不打烊 随时办 工作指南 安徽省
ISO 17889-2 2023 Ceramic tiling systems — Sustainability for ceramic tiles and installation materials — Part 2 Specification for tile installation materials.pdf
ISO 5017 2013 Dense shaped refractory products — Determination of bulk density, apparent porosity and true porosity.pdf
ISO 3382-3 2022 Acoustics Measurement of room acoustic parameters Part 3 Open plan offices.pdf
ISO 9241 820 2024 Ergonomics of human system interaction Part 820 Ergonomic guidance on interzctions in immersive environments including augmented reality and virtual reality.pdf
ISO 19354 2016 Ships and marine technology — Marine cranes — General requirements.pdf
ISO IEC 18477-4 2017 Information technology — Scalable compression and coding of continuous-tone still images — Part 4 Conformance testing.pdf
ISO 3447-1975Joints in building. General check-list of joint functions first edition.pdf
ISO 14617-12 2002 Graphical symbols for diagrams — Part 12 Devices for separating, purification and mixing.pdf
ISO 9555-4-1992Measurement of liquid flow in open channels. Tracer dilution mefhods for fhe measurem.pdf
ISO 23153-2 2020 Plastics — Polyetheretherketone (PEEK) moulding and extrusion materials — Part 2 Preparation of test specimens and determination of properties.pdf
GB-T 40541-2021 航天金属压力容器结构设计要求.pdf
GB-T 20324-2006 G系列圆柱管螺纹圆板牙.pdf
GB-T 8654.6-1988 金属锰化学分析方法 盐酸联氨-碘量法测定硒量.pdf
GB-T 23467-2009 用假人评估轰燃条件下服装阻燃性能的测试方法.pdf
GB-T 15694.2-2002 识别卡 发卡者标识 第2部分 申请和注册规程.pdf
GB-T 10322.3-2000 铁矿石 校核取样精密度的实验方法.pdf
GB-T 2007.7-1987 散装矿产品取样、制样通则 粒度测定方法 手工筛分法.pdf
GB-T 41593-2022 挤出硅树脂管.pdf
GB-T 9738-2008 化学试剂 水不溶物测定通用方法.pdf
GB-T 2900.35-2008 电工术语 爆炸性环境用设备.pdf