国家标准_第394页 - 在线标准查询

GB/T 38719-2020 金属材料管测定双轴应力-应变曲线的液压胀形试验方法

GB/T 38719-2020.Metallic materials-Tube一 Determination of biaxial stress-strain...

GB/T 38727-2020.Biodegradable plastic films and bags for express logistics trans...

GB/T 25156-2020.General specifications and inspection methods of rubber and plas...

GB/T 5137.3-2020.Test methods of safety glazing materials used on road vehicles-...

GB/T 38588-2020.In-situ measurements of heat loss of insulating pipes for urban...

GB/T 5137.4-2020.Test methods of safety glazing materials used on road vehicles-...

GB/T 38706-2020.Implementation guidance for energy management systems in ceramic...

GB/T 38594-2020.Water supply devices with superimposing pipe pressure.1范围GB/T 38...

GB/T 38701-2020.Security management systems for the supply chain-Requirements fo...

GB/T 38655-2020.Public information guidance systems-Ergonomic guideline for desi...

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