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 20851.1-2007/XG1-2012 Electronic toll collection―Dedicated short range communication―Part 1:Physical payer, includes Amendment 1 $165.00 via email in 1~3 business day superseded
GB/T 20851.1-2019 Electronic toll collection—Dedicated short range communication—Part 1:Physical layer $130.00 immediately valid
GB/T 20851.2-2007 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer $360.00 via email in 1~3 business day superseded
GB/T 20851.2-2007/XG1-2012 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer, includes Amendment 1 $360.00 via email in 1~3 business day superseded
GB/T 20851.2-2019 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer $280.00 immediately valid
GB/T 20851.3-2007 Electronic toll collection—Dedicated short range communication—Part 3:Application layer $540.00 via email in 1~3 business day superseded
GB/T 20851.3-2007/XG1-2012 Electronic toll collection—Dedicated short range communication—Part 3:Application layer, includes Amendment 1 $540.00 via email in 1~3 business day superseded
GB/T 20851.3-2019 Electronic toll collection—Dedicated short range communication—Part 3:Application layer $490.00 via email in 1~5 business day valid
GB/T 20851.4-2007 Electronic toll collection—Dedicated short range communication—Part 4:Equipment application $200.00 immediately superseded
GB/T 20851.4-2007/XG1-2012 Electronic toll collection—Dedicated short range communication—Part 4:Equipment application , includes Amendment 1 $200.00 immediately superseded
GB/T 20851.4-2019 Electronic toll collection—Dedicated short range communication—Part 4:Equipment application $450.00 immediately valid
GB/T 20851.5-2007 Electronic toll collection—Dedicated short range communication—Part 5:Test methods of the main parameters in physical layer $90.00 via email in 1~3 business day superseded
GB/T 20851.5-2007/XG1-2012 Electronic toll collection—Dedicated short range communication—Part 5:Test methods of the main parameters in physical layer, includes Amendment 1 $150.00 via email in 1~3 business day superseded
GB/T 20851.5-2019 Electronic toll collection—Dedicated short range communication—Part 5:Test methods of the main parameters in physical layer $375.00 immediately valid
GB/T 20852-2007 Corrosion of metals and alloys—Guidelines for selection of protection methods against atmospheric corrosion $100.00 via email in 1~3 business day valid
GB/T 20853-2007 Corrosion of metals and alloys—Corrosion in artificial atmosphere—Accelerated corrosion test involving exposure controlled conditions of humidity cycling and intermittent spraying of a salt solution $220.00 via email in 1~5 business day valid
GB/T 20854-2007 Corrosion of metals and alloys—Accelerated testing involving cyclic exposure to salt mist “dry”and “wet” condition $160.00 via email in 1~3 business day to be superseded
GB/T 20854-2025 Corrosion of metals and alloys—Accelerated testing involving cyclic exposure to salt mist, “dry”and“wet”conditions $315.00 via email in 1~5 business day to be valid
GB/T 20855-2007 City codes for air transportation $4500.00 via email in 1~3 business day valid
GB/T 20856-2007 Aerospace—Aircraft de-icing/anti-icing Newtonian fluids—ISO type I $150.00 via email in 1~3 business day superseded
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