GB-T 3451-1982 标准调音频率
ISO TR 15070 1996 Series 1 freight containers — Rationale for structural test criteria.pdf
ISO 8116-9 1991 Textile machinery and accessories Beams for winding Part 9 Dyeing beams for textile fabrics.pdf
ISO 7808-1992Plastics. Thermosetting moulding materials. Determination of transfer flow first editio.pdf
ISO 17380 2013 Soil quality — Determination of total cyanide and easily liberatable cyanide — Continuous-flow analysis method.pdf
ISO 20414 2020 Fire safety engineering Verification and validation protocol for building fire evacuation models.pdf
ISO 24461 2022 Textiles — Anti-mosquito performance test method using the attractive blood feeding apparatus.pdf
ISO 12625-6 2016 Tissue paper and tissue products — Part 6 Determination of grammage.pdf
ISO 3855 1977 Milling cutters — Nomenclature.pdf
ISO 10360-12 2016 Geometrical product specifications (GPS) — Acceptance and reverification tests for coordinate measuring systems (CMS) — Part 12 Articulated arm coordinate measurement machines (CMM).pdf
ISO 1182 2020 Reaction to fire tests for products — Non-combustibility test.pdf
GB-T 4728.2-2018 电气简图用图形符号 第2部分 符号要素、限定符号和其他常用符号.pdf
GB-T 7760-2003 硫化橡胶或热塑性橡胶与硬质板材粘合强度的测定 90°剥离法.pdf
GB-T 6994-2006 船舶电气设备 定义和一般规定.pdf
GB-T 3451-1982 标准调音频率.pdf
GB-T 8312-2013 茶 咖啡碱测定.pdf
GB-T 38430-2019 金属和合金的腐蚀 金属材料在高温腐蚀条件下的等温暴露氧化试验方法.pdf
GB-T 22135-2019 流程工业中电气、仪表和控制系统的试车 各特定的阶段和里程碑.pdf
GB-T 12470-2018 埋弧焊用热强钢实心焊丝、药芯焊丝和焊丝-焊剂组合分类要求.pdf
GB-T 8102-2020 气动 缸径8mm至25mm的单杆气缸 安装尺寸.pdf
GB-T 6753.2-1986 涂料表面干燥试验 小玻璃球法.pdf