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GB/T 18391.4-2009
信息技术 元数据注册系统(MDR) 第4部分:数据定义的形成
Information technology - Metadata registries (MDR) - Part 4: Formulation of data definitions
GB/T 11281-2009
General specification for reduction gearhead of electrical micro-machine
GB/T 15310.3-2009
Form for international trade export documents - Part 3: Shipping note
GB/T 24713.1-2009
Aircraft - Tow bar attachment fittings interface requirements - Part 1: Main line aircraft
GB/T 24512.1-2009
Seamless steel tubes and pipes for nuclear power plant - Part 1: Carbon steel seamless tubes and pipes