专利 一种丛枝菌根真菌的连续扩繁方法
ISO 22744-2 2020 Textiles and textile products — Determination of organotin compounds — Part 2 Direct method using liquid chromatography.pdf
ISO 25980 2023 Health and safety in welding and allied processes — Transparent welding curtains, strips and screens for arc welding processes.pdf
ISO TR 24524 2019 Service activities relating to drinking water supply, wastewater and stormwater systems — Hydraulic, mechanical and environmental conditions in wastewater transport systems.pdf
ISO 6336-1 2019 Calculation of load capacity of spur and helical gears — Part 1 Basic principles, introduction and general influence factors.pdf
ISO 13912 2017 Structural timber — Machine strength grading — Basic principles.pdf
ISO 9203-3 1989 Shipbuilding — Topology of ship hull structure elements — Part 3 Relations of elements.pdf
ISO 7617-1 2024 Plastics-coated fabrics for upholstery Part 1 Specification for PVC-coated knitted fabrics.pdf
ISO 5537 2023 Dried milk and dried milk products — Determination of moisture conten.pdf
ISO 21543 2020 Milk and milk products Guidelines for the application of near infrared spectrometry.pdf
ISO 9448-9 2013 Tools for pressing — Guide bushes — Part 9 Form B, ball cage bushes, plain, type 2.pdf
GB 5959.6-2008 电热装置的安全 第6部分 工业微波加热设备的安全规范.pdf
GB-T 19806-2005 塑料管材和管件 聚乙烯电熔组件的挤压剥离试验.pdf
GB-T 7725-2022 房间空气调节器.pdf
GB-T 14949.7-2024 锰矿石 钠和钾含量的测定 火焰原子吸收光谱法.pdf
GB 4706.33-2008 家用和类似用途电器的安全 商用电深油炸锅的特殊要求.pdf
GB-T 12314-1990 感官分析方法 不能直接感官分析的样品制备准则.pdf
GB-T 16928-1997 包装材料试验方法 透湿率.pdf
GB-T 26641-2021 无损检测 磁记忆检测 总体要求.pdf
GB-T 42086.2-2022 液压传动连接 法兰连接 第2部分 42 MPa、DN13~DN76系列.pdf
GB-T 11301-1989 电子设备用装有整体C 类预调电容器的A 类调谐可变电容器空白详细规范.pdf