GB-T 699-2015 优质碳素结构钢
ISO 298-1973Machine tools. Lathe centres. Sizes for interchangeability first edition.pdf
ISO 9314-1 1989 Information processing systems - Fibre Distributed Data Interface (FDDI) - Part 1 Token Ring Physical Layer Protocol (PHY).pdf
ISO 4266-2 2023 Petroleum and liquid petroleum products — Measurement of lev.pdf
ISO 37100 2016 Sustainable cities and communities — Vocabulary.pdf
ISO 12951 2020 Textile floor coverings — Determination of mass loss, fibre bind and stair nosing appearance change using the Lisson Tretrad machine.pdf
ISO 27027 2014 Aerospace Solid-state remote power controllers General performance requirements.pdf
ISO 8356 1984 Road vehicles — Diesel engines — Screw-in injector, type 22.pdf
ISO 10229 1994 Water quality — Determination of the prolonged toxicity of substances to freshwater fish — Method for evaluating the effects of substances on the growth rate of rainbow trout.pdf
ISO 6139 1993 Aluminium ores — Experimental determination of the heterogeneity of distr.pdf
ISO 10769 2011 Clay geosynthetic barriers — Determination of water absorption of bentonite.pdf
GB-T 30560-2014 电梯操作装置、信号及附件.pdf
GB-T 4615-2013 聚氯乙烯 残留氯乙烯单体的测定 气相色谱法.pdf
GB-T 7825-2017 道路车辆 火花塞 试验方法和要求.pdf
GB-T 5271.27-2001 信息技术 词汇 第27部分 办公自动化.pdf
GB-T 33157-2016 建筑用绝热制品 与面平行拉伸强度的测定.pdf
GB-T 15234-1994 塑料平托盘.pdf
GB-T 32533-2016 高强钢焊条.pdf
GB-T 4937.1-2006 半导体器件 机械和气候试验方法 第1部分 总则.pdf
GB-T 25050-2010 镍铁锭或块 成分分析用样品的采取.pdf
GB-T 4894-2009 信息与文献 术语.pdf