DB4201-T 630.3-2020 中小学生研学旅行 第3部分 导师评定与服务规范 武汉市
ISO 6974-5 2014 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 5 Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons.pdf
ISO 636 2024 Welding consumables Rods wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels Classification.pdf
ISO 12406 2010 Surface chemical analysis — Secondary-ion mass spectrometry — Method for depth profiling of arsenic in silicon.pdf
ISO 4845 2023 Ships and marine technology — Combined rigging for deep-sea mooring.pdf
ISO 1101 2017 Geometrical product specifications (GPS) Geometrical tolerancing Tolerances of form orientation location and run-out.pdf
ISO 14922 2021 Thermal spraying — Quality requirements for manufacturers of thermal spr.pdf
ISO 23266 2020 Soil quality — Test for measuring the inhibition of reproduction in oribatid mites (Oppia nitens) exposed to contaminants in soil.pdf
ISO 17200 2020 Nanotechnology — Nanoparticles in powder form — Characteristics a.pdf
ISO 10263-1 2009 Earth-moving machinery — Operator enclosure environment — Part 1 Terms and definitions.pdf
ISO 10256-1 2024 Protective equipment for use in ice hockey Part 1 General requirements.pdf
GB-T 16575-1996 硫铁矿和硫精矿中铝含量的测定 EDTA容量法.pdf
GB-T 21019-2007 金属切削刀具 铣刀术语.pdf
GB-T 12494-1990 食品机械专用白油.pdf
GB-T 3723-1999 工业用化学产品采样安全通则.pdf
GB-T 13888-2024 在开磁路中测量磁性材料矫顽力(至160kA-m)的方法.pdf
GB-T 6695-1998 20%氰戊菊酯乳油.pdf
GB-T 15934-2024 电器附件 电线组件和互连电线组件.pdf
GB-T 6375-2008 土方机械 牵引力测试方法.pdf
GB-T 8019-2008 燃料胶质含量的测定 喷射蒸发法.pdf
GB-T 37853-2019 中性墨水圆珠笔和笔芯.pdf