DB4401-T 149—2022 旅行社研学实践服务规范 广州市
ISO 603-3 1999 Bonded abrasive products — Dimensions — Part 3 Grinding wheels for internal cylindrical grinding.pdf
ISO 9563 2015 Belt drives — Electrical conductivity of antistatic endless synchronous belts — Characteristics and test method.pdf
ISO IEC 17007 2009 Conformity assessment — Guidance for drafting normative documents suitable for use for conformity assessment.pdf
ISO 28238 2010 Compression and injection moulds — Components for gating systems.pdf
ISO IEC 21964-2 2018 Information technology — Destruction of data carriers — Part 2 Requirements for equipment for destruction of data carriers.pdf
ISO 9367-1 1989 Lashing and securing arrangements on road vehicles for sea transportation on Ro Ro ships — General requirements — Part 1 Commercial vehicles and.pdf
ISO 7927-1 2023 Spices and condiments — Fennel seed, whole or ground — Part 1 Bitter f.pdf
ISO 7158 2024 Meat and meat products Determination of nitrite and nitrate content Ion chromatography method.pdf
ISO 3305-1985Plain end welded precision steel tubes. Technical conditions for delivery second editio.pdf
ISO IEC 9646-2 1994 Information technology — Open Systems Interconnection — Conformance testing methodology and framework — Part 2 Abstract Test Suite specification.pdf
GB-T 6816-1986 水质 词汇 第一部分和第二部分.pdf
GB-T 40076-2021 农业灌溉设备 过滤器 过滤等级验证.pdf
GB-T 24814-2023 起重用钢制短环链 中等精度吊链 4级不锈钢.pdf
GB-T 39456-2020 国际贸易业务流程规范 订单处理.pdf
GB-T 27025-2019 检测和校准实验室能力的通用要求.pdf
GB-T 8627-2007 建筑材料燃烧或分解的烟密度试验方法.pdf
GB-T 15724-2024 实验室玻璃仪器 烧杯.pdf
GB-T 26834-2011 无损检测仪器 小焦点及微焦点X射线管有效焦点尺寸测量方法.pdf
GB-T 14536.10-2008 家用和类似用途电自动控制器 温度敏感控制器的特殊要求.pdf
GB-T 23259-2009 压力容器用视镜玻璃.pdf