Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 4459.4-1984 Mechanical drawings--Conventional representation of springs 240.0 via email in 1~3 business day abolished
GB/T 18776-2002 Tolerance dimensions--Conversion form inches into millimetres and vice versa 110.0 via email in 1~3 business day valid
GB/T 15754-1995 Technical drawings - Dimensioning and tolerancing of cones 150.0 via email in 1~3 business day valid
JB/DQ 1545.1-1989 Tolerance Dimensioning Method 45.0 via email in 1~3 business day valid
GB/T 20737-2006 Non-destructive testing - General terms and definitions 110.0 via email in 1~3 business day valid
GB/T 18779.2-2004 Geometrical Product Specifications(GPS) - Inspection by measurement of workpieses and measuring equipment - Part 2:Guide to the estimation of uncertainty in GPS measurement,in calibr 390.0 via email in 1~3 business day valid
GB/T 14092.3-1993 Environmental condition for machinery products High altitude 90.0 via email in 1~3 business day abolished
GB 1800-1979 Tolerance and Fitting - General Standard Tolerance and Fundamental Deviation 130.0 via email in 1 business day superseded
GB/T 3505-2000 Geometrical Product Specifications (GPS)--Surface texture:Profile method--Terms,definitions and surface texture parameters 195.0 via email in 1~3 business day abolished
GB/T 11852-1989 Tolerances and specification of taper gauges 135.0 via email in 1~3 business day abolished
GB/T 24743-2009 Technical product documentation—Heat treated ferrous parts presentation and indications 375.0 via email in 1~3 business day valid
GB/T 16908-1997 Mechanical vibration—Balancing—Shaft and fitment key convention 200.0 via email in 1~3 business day superseded
JB/T 7522-2004 Non-destructive testing -- Practice for measuring ultrasonic velocity in materials 690.0 via email in 1~3 business day abolished
GB/T 11348.2-1997 Mechanical vibration of non-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 2: Large land-based steam turbine generator sets 120.0 via email in 1~3 business day abolished
GB/T 6075.1-2012 Mechanical vibration—Evaluation of machine vibration by measurements on non-rotating parts—Part 1:General guidelines 310.0 via email in 1~3 business day valid
GB 4457.3-1984 75.0 via email in 1~3 business day superseded
GB/T 4458.4-2003 Mechanical drawings; Dimensioning 225.0 via email in 1~3 business day valid
GB/T 31768.2-2015 Non-destructive testing―Infrared flash thermography―Part 2:Practice 315.0 via email in 1~5 business day valid
GB/T 13576.4-1992 Buttress threads with 3 and 30 degrees flank angle-Tolerances 195.0 via email in 1~3 business day abolished
GB/T 18777-2009 Geometrical Product Specifications(GPS)—Surface texture:Profile method—Metrological characteristics of phase correct filters 170.0 via email in 1~3 business day valid
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