Home / Standards / GB 1.4-88 GB 1.4-88 Directives for standardization—Rules for drafting standards of chemical analysis methods 标准化工作导则 化学分析方法标准编写的规定 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A