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ETSI TS 123 066
M00000843
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ETSI TS 123 066 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Support of GSM Mobile Number Portability (MNP); Stage 2 (3GPP TS 23.066 version 5.3.0 Release 5)
standard by European Telecommunications Standards Institute, 12/01/2003
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