专利 管壳式换热器螺旋折流板激光切割装置及方法
ISO 15166-2 2000 Adhesives — Methods of preparing bulk specimens — Part 2 Elevated-temp.pdf
ISO 23369 2022 Hydraulic fluid power — Multi-pass method of evaluating filtration performance of a filter element under cyclic flow conditions.pdf
ISO 7151-2024 Surgical instruments — Non-cutting, articulated instruments — General requirements and test methods.pdf
ISO IEC 23004-3 2007 Information technology — Multimedia Middleware — Part 3 Component model.pdf
ISO 23953-2 2023 Refrigerated display cabinets — Part 2 Classification, requirements and.pdf
ISO 18919 1999 Imaging materials — Thermally processed silver microfilm — Specifications for stability.pdf
ISO 2588 2014 Leather — Sampling — Number of items for a gross sample.pdf
ISO 18363-3 2024 Animal and vegetable fats and oils Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC-MS Part 3 Method using acid transesterification and measurement fo.pdf
ISO IEC 9040 1997 Information technology — Open Systems Interconnection — Virtual Terminal Basic Class Service.pdf
ISO 21631 2020 Essential oil of clementine (Citrus clementina hort. ex Tanaka syn. Citrus reticulata Blanco x Citrus sinensis (L.) Osbeck) Spanish type.pdf
GB-T 14501.3-1993 六氟化铀中钨、钼、铌、钛、锆的测定 化学光谱法.pdf
GB-T 19659.1-2005 工业自动化系统与集成 开放系统应用集成框架 第1部分 通用的参考描述.pdf
GB-T 6181-1986 六角开槽薄螺母 A和B级.pdf
GB-T 22357-2008 土方机械 机械挖掘机 术语.pdf
GB-T 5162-2021 金属粉末 振实密度的测定.pdf
GB-T 40732-2021 焊缝无损检测 超声检测 奥氏体钢和镍基合金焊缝检测.pdf
GB 9159-2008 无线电发射设备安全要求.pdf
GB-T 651-2011 化学试剂 碘酸钾.pdf
GB-T 43101-2023 金属及其他无机覆盖层 关于孔隙率的定义和一般规则.pdf
GB-T 19551-2004 纺织机械 浆纱机 最大有效宽度.pdf