GB/T 7974 – 2002 纸、纸板和纸浆亮度(白度)的测定漫射/垂直法
GB/T 7974 - 2002.Paper , board and pulp- Measurement of brightness-Diff/Geometry...
国家标准2023.07.22
GB/T 7974 - 2002.Paper , board and pulp- Measurement of brightness-Diff/Geometry...
国家标准2023.07.22
GB/T 7975-2005.Paper and board-Determination of color( diffuse reflectance metho...
国家标准2023.07.22
GB/T 7978-2005.Pulps-Determination of acid-insoluble ash.1范围GB/T 7978规定了纸浆酸不溶灰分的...
国家标准2023.07.22
GB/T 7979-2005.Pulps-Determination of dichloromethane soluble matter.1范围GB/T 797...
国家标准2023.07.22
GB/T 11538-2006/ISO 7609: 1985.Essential oil- Analysis by gas chromatography on...
国家标准2023.07.22
GB/T 23147-2008.Umbrella.1范围GB/T 23147规定了晴雨伞的术语和定义、产品分类、要求、试验方法、检验规则及标志、包装、运输、贮存...
国家标准2023.07.22
GB/T 23114-2008.Plaited bamboo products.1范围GB/T 23114规定了竹编制品的相关术语和定义、产品分类、要求、试验方...
国家标准2023.07.22
GB/T 4546-1998.Glass containers一Internal pressure resistance 一Method of test.1范围...
国家标准2023.07.21
GB/T 4739-1995.Methods for measuring the colorimetry of ceramic pigment.5.4按规定的彩...
国家标准2023.07.21
GB/T 4741-1999.Standard test method for bending strength of ! ceramic materlals...
国家标准2023.07.21