GB/T 39735-2020.Guidelines for administrative service evaluation. 1范围 GB/T 39735给出了依申请的政务服务评价工作的评价基本...

GB/T 39324-2020.Technical guide for main equipment condition based maintenance decision support syst...

GB/T 39231-2020.Cerium chloride anhydrate. 1范围 GB/T 39231规定了无水氯化铈的技术要求、试验方法、检验规则、标志包装、运输、贮存及质量证明书。 G...

GB/T 39363-2020.General technical requirements for air-source heat pump drying of honeysuckle. 1范围 G...

GB/T 39160-2020.Cadmium zinc telluride target for thin-film solar cells. 1范围 GB/T 39160规定了薄膜太阳能电池用碲锌...

GB/T 39163-2020.Test methods of the bonding strength for target-backing plate assemblies. 1范围 GB/T 3...

GB/T 39285-2020.Method for chemical analysis of palladium compounds-Determination of chlorine conten...

GB/T 39296-2020.Operation effect evaluation of recirculating cooling water treatment-Method of monit...

GB/T 39301-2020.Disposal method for electroplating sludge reduction. 1范围 GB/T 39301规定了电镀污泥的减量化处置方法及环...

GB/T 39291-2020.Test method for impact wear properties of studs. 1范围 GB/T 39291规定了鞋钉冲击磨损性能试验方法的原理、试验...