GB 4689.18-1984.Leather一Calculation of degree of tannage, leather substance and bond organic substan...
GB 4689.15-1984 皮革一氧化铬(Cr2 O3)的测定
GB 4689.15-1984.Leather-Determination of chrome oxide. 4.1 高氯酸法 将1~ 5g皮革试样的灰分(见注①)装人300m!三角瓶或凯氏烧瓶。加入...
GB 4687-1984 纸、纸板、纸浆的术语第一部分
GB 4687-1984.Paper,board, pulp terms ( I ). GB 4687解释了有关纸、纸板、纸浆及其性质和工艺过程的术语、词汇。 GB 4687参照了国际标准ISO 40...
GB/T 4393一 1995 呆扳手、梅花扳手、两用扳手技术规范
GB/T 4393一 1995.Open- end wrenches ,box wrenches and combination wrenches- Tecbnical spectfications....
GB/T 4392-1995 敲击呆扳手和敲击梅花扳手
GB/T 4392-1995.Sugging open-end wrenches and slugging box wenches. 1主题内容与适用范围 GB/T 4392规定了敲击呆扳手和敲击梅花...
GB/T 4391-1995 双头扳手的对边尺寸组配
GB/T 4391-1995.Combinations of double- end wrenches gaps. GB/T 4391参照采用国际标准ISO 1085; 1986《双头扳手的对边尺寸组...
GB/T 4388-2008 呆扳手、梅花扳手、两用扳手的型式
GB/T 4388-2008.Types of open-end wrenches ,box wrenches and combination wrenches. 1范围 GB/T 4388规定了扳拧...
GB/T 3903.14-2005/ISO 20874:2001 鞋类外底试验方法针撕破强度
GB/T 3903.14-2005/ISO 20874:2001.Footwear-Test methods for outsoles-Needle tear strength. 1范围 GB/T39...
GB/T 3903. 13-2005/ISO 20873 :2001 鞋类外底试验方法尺寸稳定性
GB/T 3903. 13-2005/ISO 20873 :2001.Footwear-Test methods for outsoles-Dimensional stability. 1范围 GB/...
GB/T 3903. 12-2005/ISO 20872 :2001 鞋类外底试验方法撕裂强度
GB/T 3903. 12-2005/ISO 20872 :2001.Footwear- Test methods for outsoles- Tear strengh. 1范围 GB/T3903的本...
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