DIN ETS 300549:2001-04 Digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 2 (Endorsement of the English version ETS 300549:1996-06 as German standard)

标准编号：DIN ETS 300549:2001-04

英文标题：Digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 2 (Endorsement of the English version ETS 300549:1996-06 as German standard)

德文标题：Digitales zellulares Funkkommunikationssystem (Phase 2) - Unstrukturierte Dienstmerkmaldaten (USSD) - Stufe 2 (Anerkennung der Englischen Fassung ETS 300549:1996-06 als Deutsche Norm)

发布日期：2001-04

DIN ETS 300549:2001-04 Digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 2 (Endorsement of the English version ETS 300549:1996-06 as German standard)

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