China 'GB/T 23649-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23649-2009
Graphic technology - Process control - Optical, geometrical and metrological requirements for reflection densitometers for graphic arts use 印刷技术 过程控制 印刷用反射密度计的光学、几何学和测量学要求
Issued Date:2009-05-06
Implemented Date:2009-11-01
Issued by:
The Standardization Administration of the People's Republic of China