Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 21051-2007 Ergonomics of human-system interaction—Usability methods supporting human-centred design $614.00 via email in 1~5 business day valid
GB/T 21052-2007 Information security technology—Physical security technical requirement for information system $570.00 via email in 1~5 business day valid
GB/T 21053-2007 Information security techniques—Public key infrastructure—Technology requirement for security classification protection of PKI system $930.00 via email in 1~3 business day superseded
GB/T 21053-2023 Information security techniques—Public key infrastructure—Security technology requirement for PKI system $360.00 via email in 1~5 business day valid
GB/T 21054-2007 Information security techniques—Public key infrastructure—Evaluation criteria for security classification protection of PKI system $390.00 via email in 1~3 business day superseded
GB/T 21054-2023 Information security techniques—Public key infrastructure—Security testing assessment approaches for PKI system $495.00 via email in 1~5 business day valid
GB/T 21055-2007 Assistive devices of car manipulation for persons with physical disabilities $150.00 via email in 1~3 business day valid
GB/T 21056-2007 Specification for adjustable speed drive systems of electricity conservation with VF for fans and pumps $120.00 via email in 1~3 business day valid
GB/T 21057-2007 Inorganic chemicals for industrial use—General method for determination of fluorine content—Ion selective electrode method $180.00 via email in 1~3 business day valid
GB/T 21058-2007 Inorganic chemicals for industrial use—General method for mercury content—Flameless atomic absorption spectrometric method $150.00 via email in 1~3 business day valid
GB/T 21059-2007 Plastics—Polymers/resins in the liquid state or as emulsions or dispersions—Determination of viscosity using a rotational viscometer with defined shear rate $150.00 via email in 1~3 business day valid
GB/T 21060-2007 Plastics—Determination of pourability $100.00 via email in 1~3 business day valid
GB/T 21061-2007 The specification of electronic government network technology and using management $270.00 via email in 1~3 business day valid
GB/T 21062.1-2007 Government information resource interchange system—Part 1:Framework $100.00 via email in 1~3 business day valid
GB/T 21062.2-2007 Government information resource interchange system—Part 2:Technical requirements $720.00 via email in 1~3 business day valid
GB/T 21062.3-2007 Government information resource interchange system—Part 3:Data interface specification $450.00 via email in 1~3 business day valid
GB/T 21062.4-2007 Government information resource interchange system—Part 4:Technical management requirements $120.00 via email in 1~3 business day valid
GB/T 21063.1-2007 Government information resource catalog system—Part 1:Framework $120.00 via email in 1~3 business day valid
GB/T 21063.2-2007 Government information resource catalog system—Part 2:Technical requirement $840.00 via email in 1~3 business day valid
GB/T 21063.3-2007 Government information resource catalog system—Part 3:Core metadata $300.00 via email in 1~3 business day valid
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