Home / Standards / GB/T 20001.4-2001 GB/T 20001.4-2001 Abolished Rules for drafting standards--Part 4:Methods of chemical analysis 标准编写规则 第4部分:化学分析方法 Standard Type GBT ICS 01.040.03 CCS A00 Status 废止 Issue Date 2001-04-09 Implementation 2001-12-01 Responsible Dept 国家标准委 Drafting Unit N/A