Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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HB/Z 140-2004 Heat treatment of superalloy for aviation 270.0 via email in 1~3 business day valid
QJ 2856-1996 Specification for Tin-zinc Alloy Coating Process 135.0 via email in 1~3 business day valid
HB 5434.6-2004 Test methods for aircraft wheel friction materials -- Part6: Test method for bend strength 120.0 via email in 1~3 business day valid
QJ 1379-1988 Process Specification for Bonded Forming of Ellipsoidal Aluminium Panels/FRP Honeycomb Sandwich Structures 165.0 via email in 1~3 business day valid
QJ/Z 57-1979 120.0 via email in 1~3 business day valid
QJ 990.8-1986 Inspection Method for Coating - Inspection Method for Electrical Insulation Properties of Coating 30.0 via email in 1~3 business day valid
HB/Z 29-1981 Electrochemical polish process 195.0 via email in 1~3 business day valid
QJ/Z 55-1979 90.0 via email in 1~3 business day valid
QJ/Z 73-1979 75.0 via email in 1~3 business day valid
HB 7769-2005 General specification of taxing wheel assembly for helicopter 120.0 via email in 1~3 business day valid
QJ 450B-2005 Thickness series and selection principle for plating and conversion coatings of metallic parts 390.0 via email in 1~5 business day valid
HB/Z 223.22-2005 Aircraft assembling technology Riveting for high shearing strength rivets 210.0 via email in 1~3 business day valid
HB/Z 170-2005 Cold expansion process for hole of aircraft metal part 210.0 via email in 1~3 business day valid
HB/Z 190-2004 Injecting moulding technology for polyamide 1010 plastics 120.0 via email in 1~3 business day valid
QJ B 450-2005 QJ B 450-2005 Thickness Series and Selection Principle for Plating and Conversion Coatings of Metallic Parts 360.0 via email in 1~3 business day valid
HB 5434.5-2004 Test methods for aircraft wheel friction materials -- Part5: Test method for compressive strength 90.0 via email in 1~3 business day valid
QJ/Z 67-1979 90.0 via email in 1~3 business day valid
GB/T 29074-2012 Requirements for qualification of space components 200.0 via email in 1~3 business day valid
GB/T 35436-2017 Interface design specification for standard modules ofscience experiment rack in space station 435.0 via email in 1~5 business day valid
QJ/Z 61-1979 90.0 via email in 1~3 business day valid
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