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GB/T 17969.3-2008
Information technology - Open systems interconnection - Procedures for the operation of OSI registration authorities: Registration of Object identifier arcs beneath the top-level arc jointly administered by ISO and ITU-T
GB/Z 18219-2008
Information technology - Reference model of data management
GB/T 21564.4-2008
Message formats and protocols for serial data interfaces in alarm transmission systems - Part 4: Common transport layer protocol
GB/T 20999-2007
Data communication protocol between traffic signal controller and control center
GB/T 20851.5-2007
Electronic toll collection - Dedicated short range communication - Part 5: Test methods of the main parameters in physical layer
GB/T 20851.3-2007
Electronic toll collection - Dedicated short range communication - Part 3: Application layer
GB/T 20851.2-2007
Electronic toll collection - Dedicated short range communication - Part 2: Data link layer
GB/T 20851.1-2007
Electronic toll collection - Dedicated short range communication - Part 1: Physical layer
GB/T 20518-2006
Information security technology - Public key infrastructure - Digital certificate format
GB/T 16263.2-2006
Information technology - ASN.1 encoding rules Part 2: Specification of Packed Encoding Rules (PER)
GB/T 16263.1-2006
Information technology - ASN.1 encoding rules Part 1: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)
GB/T 16262.4-2006
Information technology - Abstract Syntax Notation One (ASN.1) - Part 4: Parameterization of ASN.1 specifications
GB/T 16262.3-2006
Information technology - Abstract Syntax Notation One (ASN.1) - Part 3: Constraint specification
GB/T 16262.2-2006
Information technology - Abstract Syntax Notation One (ASN.1) Part 2: Information object specification
GB/T 16262.1-2006
Information technology - Abstract Syntax Notation One (ASN.1) - Part 1: Specification of basic notation
GB/T 19897.4-2005
Automatic Meter Reading System Lower Layer Communication Protocol Part 4:Data link layer using HDLC protocol
GB/T 19897.1-2005
Automatic Meter Reading System Lower Layer Communication Protocol Part 1:Direct local data exchange
GB/T 19897.3-2005
Automatic Meter Reading System Lower Layer Communication Protocol Part 3:Physical layer services and procedures for connection oriented asynchronous data exchange
GB/T 16264.8-2005
Information technology-Open Systems Interconnection-The Directory:Public-key and attribute certificate frameworks
GB/T 19771-2005
Information technology-Security technology-Public key infrastructure-Minimum interoperability specification for PKI components