GB/T 39551.1-2020 专利导航指南第1部分:总则
GB/T 39551.1-2020.Patent navigation guide-Part 1 : General principles.1范围GB/T 39...
国家标准2023.08.01
GB/T 39551.1-2020.Patent navigation guide-Part 1 : General principles.1范围GB/T 39...
国家标准2023.08.01
GB/T 39551.6-2020.Patent navigation guide-Part 6: Talent management.1范围GB/T 3955...
国家标准2023.08.01
GB/T 6903-2005.Analysis of water used in boil and cooling system-General rule.1范...
国家标准2023.08.01
GB/T 39414.2-2020.Interface specification for signal in space of BeiDou navigati...
国家标准2023.08.01
GB/T 215-2003.Determination of forms of sulfur in coal.1范围GB/T 215规定了煤中硫酸盐硫、硫化铁硫...
国家标准2023.08.01
GB/T 39315.6-2020.General resource of military and civilian-Data Model-Part 6 :...
国家标准2023.08.01
GB/T 24980-2020.Rare earth long afterglow phosphors.1范围GB/T 24980规定了稀土长余辉荧光粉的技术要...
国家标准2023.08.01
GB/T 39442-2020.Rules of public credit information resources identifications.1范围...
国家标准2023.08.01
GB/T 39472-2020.Performance requirements and test methods for BeiDou navigation...
国家标准2023.08.01
GB/T 38003.6-2020.General resource of military and civilian-Classification and c...
国家标准2023.08.01