标题: ETSI EG 201 219 V1.2.1 (1998-09) [打印本页] 作者: t7345s 时间: 2015-1-3 19:21:12 标题: ETSI EG 201 219 V1.2.1 (1998-09)
EG 201 219 V1.2.1 (1998-09)
ETSI Guide
User requirements;
Guidelines on the consideration of user requirements
when managing the standardization process