GB/T 20493.3-2018
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20493.3-2018
Electronic imaging—Test target for scanning of office documents—Part3:Test target for use in lower resolution applications 电子成像-办公文件扫描用测试标板-第3部分:较低解像力应用测试标板
Issued Date:2018
Implemented Date:2019-7-1
Issued by:
The Standardization Administration of the People's Republic of China