t7345s 发表于 2015-2-15 22:35:23

ETSI EG 202 009-1 V1.2.1 (2007-01)

ETSI EG 202 009-1 V1.2.1 (2007-01)
ETSI Guide
User Group;
Quality of telecom services;
Part 1: Methodology for identification of parameters
relevant to the Users

admin 发表于 2015-2-16 15:49:04

谢谢您的分享，金币已奖励
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