专利 一种石英沙分离系统
ISO 32120 2024 Transaction assurance in E-commerce Guidelines on sharing goods quality assurance traceability information in E-commerce supply chains.pdf
ISO 19085-3 2021 Woodworking machines — Safety — Part 3 Numerically controlled (NC CNC) boring and routing machines.pdf
ISO 16961 2024 Oil and gas industries including lower carbon energy Internal coating and lining of steel storage tanks.pdf
ISO 22072 2011 Aerospace — Electrohydrostatic actuator (EHA) — Characteristics to be defined in procurement specifications.pdf
ISO 22195-7 2024 Textiles Determination of index ingredient from coloured textile Part 7 Himalayan rhubarb.pdf
ISO 1949 1987 Aircraft — Electrical connectors — Design requirements.pdf
ISO 12567-2 2005 Thermal performance of windows and doors Determination of thermal transmittance by hot box method Part 2 Roof windows and other projecting windows.pdf
ISO 7513 1990 Instant tea in solid form — Determination of moisture content (loss in mass at 103 degrees C).pdf
ISO IEC 13335-4 信息技术安全管理指导方针-安全措施的选择.pdf
ISO 717-2 2020 Acoustics Rating of sound insulation in buildings and of building elements Part 2 Impact sound insulation.pdf
GB-T 42515-2023 金属粉末 铁、铜、锡和青铜粉末中酸不溶物含量的测定.pdf
GB-T 21737-2008 为消费者提供商品和服务的购买信息.pdf
GB-T 27888.3-2011 船舶与海上技术 船舶与海上结构物的排水系统 第3部分 真空系统的卫生水排放及排放管道.pdf
GB-T 25945-2010 铝土矿 取样程序.pdf
GB 12981-2012 机动车辆制动液.pdf
GB-T 17669.3-1999 建筑石膏 力学性能的测定.pdf
GB-T 40734-2021 焊缝无损检测 相控阵超声检测 验收等级.pdf
GB-T 17555-1998 信息技术 计算机图形与图像处理 图形标准实现的一致性测试.pdf
GB-T 22888-2021 皮革 物理和机械试验 表面涂层低温脆裂温度的测定.pdf
GB-T 669-1994 化学试剂 硝酸锶.pdf