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[GB/T 15049.2-1994] CAD标准件图形文件 几何图形和特性规范 A类图形构件[已作废]
发布时间：1994-05-05
实施时间：1994-01-02
本标准规定了构成GB/T 15049《CAD标准件图形文件》系列标准的通用A类图形构成。本标准适用于..
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[GB/T 38505-2020] 转基因产品通用检测方法[现行]
发布时间：2020-03-06
实施时间：2020-03-06
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[GB/T 38506-2020] 动物细胞培养过程中生化参数的测定方法[现行]
发布时间：2020-03-06
实施时间：2020-03-06
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[GB/T 30987-2020] 植物中游离氨基酸的测定[现行]
发布时间：2020-03-31
实施时间：2020-03-31
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