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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 28281-2012 Plain bearings - Quality characteristics - Statistical process control (SPC)

    China National - GB Standards
    GB/T 28280-2012 Plain bearings - Quality characteristics - Calculation of machine and process capabilities

    China National - GB Standards
    GB/T 28279.2-2012 Plain bearings - Hydrostatic plain journal bearings with drainage grooves under steady-state conditions - Part 2: Characteristic values for calculation of oil-lubricated plain journal bearings with drainage grooves

    China National - GB Standards
    GB/T 28279.1-2012 Plain bearing - Hydrostatic plain journal bearings with drainage grooves under steady-state conditions - Part 1: Calculation of oil-lubricated plain journal bearings with drainage grooves

    China National - GB Standards
    GB/T 28278.2-2012 Plain bearings - Hydrostatic plain journal bearings without drainage grooves under steady-state conditions - Part 2: Characteristic values for calculation of oil-lubricated plain journal bearings without drainage grooves

    China National - GB Standards
    GB/T 28278.1-2012 Plain bearings - Hydrostatic plain journal bearings without drainage grooves under steady-state conditions - Part 1: Calculation of oil-lubricated plain journal bearings without drainage grooves

    China National - GB Standards
    GB/T 28277-2012 Silicon-based MEMS fabrication technology - Measurement method of cutting and pull-press strength of micro bonding area

    China National - GB Standards
    GB/T 28276-2012 Silicon-based MEMS fabrication technology - Specification for the dissolved wafer process

    China National - GB Standards
    GB/T 28275-2012 Silicon-based MEMS fabrication technology - Specification for KOH etch process

    China National - GB Standards
    GB/T 28274-2012 Silicon-based MEMS fabrication technology - The basic regulation of layout design

    China National - GB Standards
    GB/T 28273-2012 Process classification of tube and sheet hydroforming

    China National - GB Standards
    GB/T 28272-2012 Metric screw threads with extra fine pitch - Series and basic dimensions

    China National - GB Standards
    GB/T 28271-2012 Metric screw threads with extra fine pitch - Tolerances

    China National - GB Standards
    GB/T 28270-2012 Intelligent valve electric actuator

    China National - GB Standards
    GB/T 28269-2012 Zigzag spring for seat - Technical specifications

    China National - GB Standards
    GB/T 28268-2012 Rolling bearings - Specifications of pressed cages

    China National - GB Standards
    GB/T 28267.1-2012 Steel cord conveyor belts - Part 1: Design,dimensions and mechanical requirements for conveyor belts for general use

    China National - GB Standards
    GB/T 2688-2012 Plain bearing - Technical specification of powder metallurgy bearing

    China National - GB Standards
    GB/T 25749.9-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 9: Decontamination index

    China National - GB Standards
    GB/T 25749.8-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 8: Room method for the measurement of the pollutant concentration parameter

    China National - GB Standards
    GB/T 25749.7-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 7: Test bench method for the measurement of the pollutant concentration parameter

    China National - GB Standards
    GB/T 25749.6-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 6: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with ducted outlet

    China National - GB Standards
    GB/T 25749.5-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 5: Test bench method for the measurement of the separation efficiency by mass of air cleaning systems with unducted outlet

    China National - GB Standards
    GB/T 24737.9-2012 Guide for technological management - Part 9: Technological management of production field

    China National - GB Standards
    GB/T 24737.6-2012 Guide for technological management - Part 6: Process optimization and review

    China National - GB Standards
    GB/T 24737.4-2012 Guide for technological management - Part 4: Design of process program

    China National - GB Standards
    GB/T 24737.2-2012 Guide for technological management - Part 2: Technological work procedure of products

    China National - GB Standards
    GB/T 24737.1-2012 Guide for technological management - Part 1: General

    China National - GB Standards
    GB/T 17889.4-2012 Ladders - Part 4: Single or multiple hinge-joint ladders

    China National - GB Standards
    GB/T 17889.3-2012 Ladders - Part 3: User instructions

    China National - GB Standards

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