Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 17579-1998 Information technology - Open systems interconnection - Virtual terminal basic class service 1500.0 via email in 1~3 business day valid
GB/T 17143.2-1997 Information technology - Open Systems Interconnection - Systems Management - Part 2: State management function 315.0 via email in 1~3 business day valid
GB/T 18137.1-2000 Information technology--Open Systems Interconnection--Conformance test suite for the ACSE protocol --Part 1:Test suite structure and test purposes 360.0 via email in 1~5 business day valid
GB/T 17176-1997 Information technology--Open Systems Interconnection--Application layer structure 300.0 via email in 1~3 business day valid
GB/T 16645.2-2000 Information technology-Open systems interconnection-Common management information protocol - Part 2: Protocol Implementation Conformance Statement proforma 825.0 via email in 1~3 business day valid
GB/Z 19717-2005 Secure message interchange based on Multipurpose Internet Mail Extensions 180.0 via email in 1~3 business day valid
GB/T 16688-2008 Information technology - Open systems interconnection - Service definition for the association control service element 375.0 via email in 1~3 business day valid
GB/T 17173.1-1997 Information technology--Open Systems Interconnection--Distributed Transaction Processing--Part 1: OSI TP model 420.0 via email in 1~5 business day superseded
GB/T 31455.3-2015 Intelligent system of bus rapid transit―Part 3:Technical requirements of on-board information terminal and peripheral equipment 555.0 via email in 1~5 business day valid
GB/Z 18219-2008 Information technology - Reference model of data management 750.0 via email in 1~3 business day valid
GB/T 31455.1-2015 Intelligent system of bus rapid transit―Part 1:General technical requirements 255.0 via email in 1~3 business day valid
GB/T 17143.8-1997 Information technology--Open Systems Interconnection--Systems Management--Part 8: Security audit trail function 405.0 via email in 1~3 business day valid
GB/T 16264.1-2008 Information technology - Open systems interconnection - The directory - Part 1: Overview of concepts models and services 420.0 via email in 1~5 business day valid
GB/T 19714-2005 Information technology - Security technology - Internet public key infrastructure - Certificate management protocol 540.0 via email in 1~3 business day valid
GB/T 20851.3-2007/XG1-2012 Electronic toll collection—Dedicated short range communication—Part 3:Application layer 540.0 via email in 1~3 business day valid
GB/T 17580.1-1998 Information technology--Open systems interconnection--Virtual terminal basic class protocol --Part 1:Specification 1020.0 via email in 1~3 business day valid
GB/T 31455.2-2015 Intelligent system of bus rapid transit―Part 2: Technical requirements of dispatch center system via email in business day valid
GB/T 16264.6-2008 Information technology - Open systems interconnection - The directory - Part 6: Selected attribute types 1200.0 via email in 1~3 business day valid
YD/T 2052-2009 Security protection requirements for the domain name system 240.0 via email in 1~3 business day abolished
GB/T 20518-2006 Information security technology - Public key infrastructure - Digital certificate format 450.0 via email in 1~3 business day valid
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