SJ 20037/4-1997.Detail specification for Type LGA 200307、LGA 200410 fixed induct...

行业标准2023.07.24

QB 1232-1991.1主题内容与适用范圈QB 1232规定了软质聚氨酯泡沫塑料复合材料(以下简称复合材料)的产品分类、技术要求、试验方法、检验规则及标志、...

行业标准2023.07.24

QB 1252-1991.1主题内容与适用范围QB 1252规定了面包的技术要求、试验方法、检验规则和标志、包装、运输、贮存等要求。QB 1252适用于以小麦粉...

行业标准2023.07.24

QB/T 1253-2005.General technical requirements of biscuits.1范围QB/T 1253规定了饼干产品的分类...

行业标准2023.07.24

SJ 20044-1992.Safety requirements for short wave single sideband communication e...

行业标准2023.07.24

SJ 20043-1992.Moethods of measurement for short wave single sideband set.1主题内容与适...

行业标准2023.07.24

SJ 20042-1992.Mothods of measurement for tropsphering scattering communication e...

行业标准2023.07.24

SJ 20041-1992.Evaluation method of residual intelligibility for analog - voice s...

行业标准2023.07.24

SJ 20046-1992.General spcification for portable non-metallic mine detectors.1主题内...

行业标准2023.07.24

SJ 20045-1992.General specification for air-condnction dynamic and electro magne...

行业标准2023.07.24