GB/T 39451-2020.Specification for contactless delivery service of commodities.1范围GB/T 39451规定了商品无接触配送服务的术语和定义、服务要求、服务流程、异...
GB/T 28991-2020.Code of practice on breeding technique of oil-tea camellia.1范围GB/T 28991规定了油茶良种选育的优树选择、人工杂交、试验测定、区域试验等技...
GB/T 39283-2020.Non-destructive testing-Testing method for surface-wave testing using electromagnetic acoustic transducer ( EMAT) techniques.1范围GB/T 39283规定了电磁超声表面...
GB/T 15063-2020.Compound fertilizer.1范围GB/T 15063规定了复合肥料的术语和定义、技术要求取样、试验方法、检验规则、标识和质量证明书、包装、运...
GB/T 18877-2020.Organic inorganic compound fertilizer.1范围GB/T 18877规定了有机无机复混肥料的术语和定义、技术要求、取样、试验方法、检验规则、标识...
GB/T 17420-2020.Foliar microelement fertilizer.1范围GB/T 17420规定了微量元素叶面肥料的技术要求、取样、试验方法、检验规则、标识和质量证明书、包...
GB/T 21633-2020.Bulk blending fertilizer.1范围GB/T 21633规定了掺混肥料(BB肥)的术语和定义、技术要求、取样、试验方法、检验规则、标识和质量证明书...
GB/T 23349-2020.Determination of arsenic , cadmium , chromium, lead and mercury contents for fertilizers.1范围GB/T 23349规定了肥料中砷、镉、铬、铅、汞含量的测定方...
GB/T 535-2020.Fertilizer grade ammonium sulphate.1范围GB/T 535规定了肥料级硫酸铵的技术要求、取样、试验方法、检验规则、标识和质量证明书、包装、...
GB/T 24981.1-2020.Test methods of rare earth long afterglow phosphors-Part 1: Determination of emission dominantpeak and chromaticity coordinates.1范围GB/T 24981的本部分规定了...
