Home / Standards / GB/T 18721-2002 GB/T 18721-2002 Active Graphic technology--Prepress digital data exchange--CMYK standard colour image data(CMYK/SCID) 印刷技术 印前数据交换 CMYK标准彩色图像数据(CMYK/SCID) Standard Type GBT ICS 37.100.01 CCS A17 Status 现行 Issue Date 2002-05-21 Implementation 2003-01-01 Responsible Dept 国家新闻出版署(国家版权局) Drafting Unit N/A