DB11-T 691-2009 市政工程通用混凝土模块砌体构筑物结构设计规程 北京市
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ISO 7137 1995 Aircraft — Environmental conditions and test procedures for airborne equipm.pdf
ISO 7152 2023 Camping tents and caravan awnings — Vocabulary.pdf
ISO 22673 2008 Ships and marine technology — Launching appliances for free-fall lifeboats.pdf
ISO 15784-1 2008 Intelligent transport systems (ITS) — Data exchange involving roadside modules communication — Part 1 General principles and documentation framework of application profiles.pdf
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ISO 9667 2017 Aircraft ground support equipment — Tow bars.pdf
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ISO 4645 2022 Rubber and rubber products — Identification of antidegradants — Thin layer chromatographic methods.pdf
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GB-T 32349-2015 轨道交通 电力牵引 变流器供电的短初级直线感应电动机.pdf
GB-T 6252-1986 电子设备用A类调谐可变电容器类型规范.pdf
GB-T 26845-2011 地毯毯面外观变化的评价.pdf
GB-T 17451-1998 技术制图 图样画法 视图.pdf
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