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ETSI TS 133 401
M00001139
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ETSI TS 133 401 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 3GPP System Architecture Evolution (SAE); Security architecture (3GPP TS 33.401 version 15.10.0 Release 15)
standard by European Telecommunications Standards Institute, 01/01/2020
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