Iso Iec 7480 1991 Information Technology Telecommunications And Information Exchange | Desertcart Hong Kong
ISO/IEC 7480:1991, Information technology - Telecommunications and information exchange between systems - Start-stop transmission signal quality at DTE/DCE interfaces
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ISO/IEC 7480:1991, Information technology - Telecommunications and information exchange between systems - Start-stop transmission signal quality at DTE/DCE interfaces
