专利 组装式大麻车
ISO 14045 2012 Environmental management — Eco-efficiency assessment of product systems — Principles, requirements and guidelines.pdf
ISO 17987-8-2019.pdf
ISO 10776 2012 Geotextiles and geotextile-related products — Determination of water permeability characteristics normal to the plane, under load.pdf
ISO 23445 2021 Dentistry — Tissue punches.pdf
ISO IEC 27004 2016 Information technology — Security techniques — Information security management — Monitoring, measurement, analysis and evaluation.pdf
ISO 643-2024-08 中文版.pdf
ISO 17741 2016 General technical rules for measurement, calculation and verification of energy savings of projects.pdf
ISO IEC 14699 1997 Information technology — Open Systems Interconnection — Transport Fast.pdf
ISO 6184-1 1985 Explosion protection systems — Part 1 Determination of explosion indir.pdf
ISO 17641-2 2015 Destructive tests on welds in metallic materials — Hot cracking tests for weldments — Arc welding processes — Part 2 Self-restraint tests.pdf
GB-T 41114-2021 无损检测 超声检测 相控阵超声检测标准试块规范.pdf
GB-T 36173-2018 球墨铸铁管线用自锚接口系统 设计规定和型式试验.pdf
GB-T 3882-2017 滚动轴承 外球面球轴承和偏心套 外形尺寸.pdf
GB-T 25976-2010 船舶和海上技术 救生设备示位灯 产品的试验、检查和标志.pdf
GB-Z 40387-2021 金属材料 多轴疲劳试验设计准则.pdf
GB-T 3179-2009 期刊编排格式.pdf
GB-T 3227-2018 螺栓螺母用装配工具 机动套筒工具的传动四方.pdf
GB-T 44632-2024 辐射防护用参考辐射场 定义和基本概念.pdf
GB-T 4638-1997 35mm电影发行拷贝上画面和光学声迹的位置和尺寸.pdf
GB-T 3499-2023 原生镁锭.pdf