摘要
简要介绍了 GB/T 20975—2008的修订原则和标准结构,重点介绍了标准的主要修订内容及修订依据。阐述了新标准的特点和创新点。
The paper briefly introduced the revision principles and strcture of GB/T20975-2008, mainly introduced the main revision contents and differences between the current and the last previous edition, and also described the characteristics and innovative traits.
出处
《冶金标准化与质量》
2009年第5期21-23,62,共4页
Metallurgical Standardization & Quality
关键词
国家标准
修订
化学分析方法
national standard
revision
methods for chemical analysis
