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ETSI EN 300 903
M00000671
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ETSI EN 300 903 Digital cellular telecommunications system (Phase 2+) (GSM); Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system (GSM 03.50 version 8.1.1 Release 1999)
standard by European Telecommunications Standards Institute, 11/01/2000
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