GB-T 20674.1-2020 塑料管材和管件 聚乙烯系统熔接设备 第1部分:热熔对接
ISO 20304-1 2020 Fine bubble technology Water treatment applications Part 1 Test method for evaluating ozone fine bubble water generating systems by the decolorization of methylene blue.pdf
ISO 18221 2016 Microscopes — Microscopes with digital imaging displays — Information provided to the user regarding imaging performance.pdf
ISO 21538 2024 Blanks for superabrasive cutting-off wheels Mounting and fixing bores Building construction and civil engineering.pdf
ISO 14285 2014 Rubber and plastics gloves for food services — Limits for extractable substan.pdf
ISO 52018-1 2017 Energy performance of buildings Indicators for partial EPB requirements related to thermal energy balance and fabric features Part 1 Overview of options.pdf
ISO 8968-4 2016 Milk and milk products Determination of nitrogen content Part 4 Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method).pdf
ISO IEC 23001-7 2023 Information technology — MPEG systems technologies — Par.pdf
ISO IEC 22603-1 2021 Information technology — Digital representation of product information — Part 1 General requirements.pdf
ISO 19403-3 2017 Paints and varnishes — Wettability — Part 3 Determination of the surface tension of liquids using the pendant drop method.pdf
ISO 22479 2019 Corrosion of metals and alloys — Sulfur dioxide test in a humid atmosphere (fixed gas method).pdf
GB-T 17867-2023 汽车手操纵件、指示器及信号装置的位置.pdf
GB-T 8301-2008 浓缩天然胶乳 机械稳定度的测定.pdf
GB-T 17774-1999 工业通风机 尺寸.pdf
GB-T 40118-2021 滑动轴承 流体动压和混合润滑条件台架试验.pdf
GB-T 39014-2020 生姜精油.pdf
GB-T 22393-2015 机器状态监测与诊断 一般指南.pdf
GB-Z 25426-2010 风力发电机组 机械载荷测量.pdf
GB-T 8431-1998 纺织品 色牢度试验 光致变色的检验和评定.pdf
GB-T 12805-2011 实验室玻璃仪器 滴定管.pdf
GB-T 22443-2018 中国苦水玫瑰精油.pdf