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 28490-2012 Button classification and terminology $390.00 via email in 1~3 business day valid
GB/T 28491-2012 Button general technical requirements and testing methods—Natural shell button $240.00 via email in 1~3 business day valid
GB/T 28492-2012 Button general technical requirements and methods—Copper button $240.00 via email in 1~3 business day valid
GB/T 28493-2012 Test method for rating vending machines for bottled,canned and other sealed beverages $200.00 via email in 1~3 business day valid
GB/T 28494-2012 Globe valves of thermoplastics materials $300.00 via email in 1~3 business day valid
GB/T 28495-2012 General technical requirements for bamboo and wooden toys $160.00 via email in 1~3 business day valid
GB/T 28497-2012 The specification of IP over SDH using LAPS $450.00 via email in 1~3 business day valid
GB/T 28498-2012 Technical requirements of ethernet over SDH $270.00 via email in 1~3 business day valid
GB/T 28499.1-2012 Technical requirement for IP video terminal equipment—Part 1:terminal based on ITU-T H.323 $450.00 via email in 1~3 business day valid
GB/T 285-1994 Rolling bearings - Double row cylindrical roller bearings - Boundary dimonsiuns $449.00 immediately superseded
GB/T 285-2013 Rolling bearings—Double row cylindrical roller bearings—Boundary dimensions $164.00 immediately valid
GB/T 2850-1992 Standardized blocks of Rockwell hardness $300.00 via email in 1~3 business day valid
GB/T 28500-2012 Technical requirements of 900/1 800 MHz TDMA digital cellular mobile network signaling system No.7 ISUP $1740.00 via email in 1~3 business day valid
GB/T 28501-2012 Technical requirements of telephony routing over IP(TRIP) $660.00 via email in 1~3 business day valid
GB/T 28502-2012 Technical requirement of interworking between No.7 signalling and IP $600.00 via email in 1~3 business day valid
GB/T 28503-2012 Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer $810.00 via email in 1~3 business day valid
GB/T 28504.1-2012 Rare earth doped optical fibre—Part 1:Characteristics of double-cladding Ytterbium-doped optical fibre $140.00 via email in 1~3 business day valid
GB/T 28504.2-2021 Rare earth doped optical fibre—Part 2:Characteristics of double-cladding thulium-doped optical fibre $220.00 via email in 1~3 business day valid
GB/T 28504.3-2021 Rare earth doped optical fibre—Part 3:Characteristics of double-cladding erbium-ytterbium co-doped optical fibre $255.00 via email in 1~3 business day valid
GB/T 28505-2012 Technical specification of national No.7 signalling system 2 Mbit/s high speed link $330.00 via email in 1~3 business day valid
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