GB-T 6671-2001 热塑性塑料管材 纵向回缩率的测定
ISO 3506-2 2020 Fasteners — Mechanical properties of corrosion-resistant stainless steel fasteners — Part 2 Nuts with specified grades and property classes.pdf
ISO 16812 2019 Petroleum, petrochemical and natural gas industries — Shell-and-tube heat exchangers.pdf
ISO IEC 7811-8 2014 Identification cards — Recording technique — Part 8 Magnetic stripe — Coercivity of 51,7 kA m (650 Oe).pdf
ISO-TR 41030 2024 Facility management Existing performance management in facility management organizations State of the industry.pdf
ISO 7275 1985 Documentation — Presentation of title information of series.pdf
ISO 9448-2 2013 Tools for pressing — Guide bushes — Part 2 Form A, gliding bushes, plain, t.pdf
ISO IEC 22592-12024 Office equipment — Print quality measurement methods for col.pdf
ISO TS 19072-5 2019 Road vehicles — Connection interface for pyrotechnic devices, two-way and three-way connections — Part 5 Pyrotechnic device and harness connector assembly - type 3 (only two-way).pdf
ISO 9308-3 1998 Water quality — Detection and enumer.pdf
ISO 217 2013 Paper — Untrimmed sizes — Designation and tolerances for primary and supplementary ranges, and indication of machine direction.pdf
GB-T 6569-2006 精细陶瓷弯曲强度试验方法.pdf
GB-T 20639-2006 有间隙阀式避雷器人工污秽试验.pdf
GB-T 7397-1995 非广播磁带录像机测量方法.pdf
GB-T 6414-2017 铸件 尺寸公差、几何公差与机械加工余量.pdf
GB-T 30707-2014 精细陶瓷涂层结合力试验方法 划痕法.pdf
GB-T 16927.3-2010 高电压试验技术 第3部分 现场试验的定义及要求.pdf
GB-T 4214.13-2021 家用和类似用途电器噪声测试方法 吸油烟机及其他烹饪烟气吸排装置的特殊要求.pdf
GB-T 14501.5-1993 六氟化铀中钛的测定 分光光度法.pdf
GB-Z 26210-2010 室内电气照明系统的维护.pdf
GB-T 19094-2003 选煤厂 流程图原则和规定.pdf