t7345s 发表于 2015-1-3 19:21:12

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

admin 发表于 2015-1-4 10:30:51

谢谢您的分享，金币已奖励
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