DB21-T 3118-2019 设施栽培秸秆轻简化还田技术规程 辽宁省
ISO ASTM TR 52906 2022 Additive manufacturing — Non-destructive testing — Intentionally seeding flaws in metallic parts.pdf
ISO 17701 2016 Footwear — Test methods for uppers, lining and insocks — Colour migration.pdf
ISO-IEC 24751-1 2008 Information technology -- Individualized adaptability and accessibility in e-learning education and training -- Part 1 Framework and reference model.pdf
ISO 21400 2018 Pulp — Determination of cellulose nanocrystal sulfur and sulfate half-ester content.pdf
ISO 21626-2 2020 Bamboo charcoal — Part 2 Fuel applications.pdf
ISO 5772 2015 Rubber and plastic hoses and hose assemblies for measured fuel dispensing systems — Specification.pdf
ISO 13966 1998 Thermoplastics pipes and fittings — Nominal ring stiffnesses.pdf
ISO 8768 1987 Packaging — Complete, filled transport packages — Toppling test.pdf
ISO TR 14179-1 2001 Gears — Thermal capacity — Part 1 Rating gear drives with thermal equilibrium at 95 °C sump temperature.pdf
ISO 657-21 1983 Hot-rolled steel sections Part 21 T-sections with equal depth and flange width Dimensions.pdf
GB 17354-1998 汽车前、后端保护装置.pdf
GB-T 1672-1988 液体增塑剂体积电阻率的测定.pdf
GB-T 7609-1995 电信网中脉冲编码调制音频通路传输特性常用测试方法.pdf
GB-T 5100-2020 钢质焊接气瓶.pdf
GB-T 20422-2018 无铅钎料.pdf
GB-T 10296-2008 绝热层稳态传热性质的测定 圆管法.pdf
GB-T 13885-2017 饲料中钙、铜、铁、镁、锰、钾、钠和锌含量的测定 原子吸收光谱法.pdf
GB-T 15135-2018 燃气轮机 词汇.pdf
GB-T 25118-2010 轨道交通 机车车辆电气设备 开启式功率电阻器规则.pdf
GB-T 39635-2020 金属材料 仪器化压入法测定压痕拉伸性能和残余应力.pdf