China GB GB Standards Search System

GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Purchase services.

China "GB" GB Standards List:

Standard Code	GB Standard Title	Standard Class
GB/T 12242-2021	Pressure relief devices—Performance test code	China National Standards
GB/T 12241-2021	Safety valves—General requirements	China National Standards
GB/T 12237-2021	Steel ball valves for petroleum, petrochemical and allied industries	China National Standards
GB/T 11760-2021	Hulless barley	China National Standards
GB/T 11313.41-2021	Radio-frequency connectors—Part 41: Sectional specification for CQA series quick lock R.F. coaxial connectors	China National Standards
GB/T 11313.40-2021	Radio-frequency connectors—Part 40: Sectional specification for 2.4 series R.F. connectors	China National Standards
GB/T 11313.35-2021	Radio-frequency connectors—Part 35: Sectional specification for 2.92 series R.F connectors	China National Standards
GB/T 10006-2021	Plastics—Film and sheeting—Determination of the coefficients of friction	China National Standards
GB/T 10001.9-2021	Public information graphical symbols—Part 9: Symbols for accessible facilities	China National Standards
GB/T 10001.7-2021	Public information graphical symbols—Part 7: Symbols for office and teaching	China National Standards
GB/T 10001.6-2021	Public information graphical symbols—Part 6: Symbols for medical treatment and health care	China National Standards
GB/T 10001.5-2021	Public information graphical symbols—Part 5: Symbols for shopping	China National Standards
GB/T 10001.4-2021	Public information graphical symbols—Part 4: Symbols for recreation sport	China National Standards
GB/T 10001.3-2021	Public information graphical symbols—Part 3：Symbols for passenger and cargo transport	China National Standards
GB/T 10001.2-2021	Public information graphical symbols—Part 2: Symbols for tourism and entertainment	China National Standards
GB/T 8887-2021	Classification of starch	China National Standards
GB/T 7308.3-2021	Plain bearings—Thin-walled half bearings with or without flange—Part 3: Measurement of peripheral length	China National Standards
GB/T 7308.2-2021	Plain bearings—Thin-walled half bearings with or without flange—Part 2:Measurement of wall thickness and flange thickness	China National Standards
GB/T 7308.1-2021	Plain bearings—Thin-walled half bearings with or without flange—Part 1：Tolerances, design features and methods of test	China National Standards
GB/T 7092-2021	Outline dimensions of semiconductor integrated circuits	China National Standards
GB/T 5824-2021	Size system of opening for windows and doors in building	China National Standards
GB/T 5755-2021	Steel cord conveyor belts—Cord-to-coating bond test—Initial test and after thermal treatment	China National Standards
GB/T 5162-2021	Metallic powders—Determination of tap density	China National Standards
GB/T 5095.2507-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-7: Test 25g: Impedance, reflection coefficient, and voltage standing wave ratio (VSWR)	China National Standards
GB/T 5095.2505-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-5：Test 25e: Return loss	China National Standards
GB/T 5095.2504-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-4: Test 25d: Propagation delay	China National Standards
GB/T 5095.2503-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-3: Test 25c: Rise time degradation	China National Standards
GB/T 5095.2502-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-2: Test 25b: Attenuation (insertion loss)	China National Standards
GB/T 5095.2501-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-1: Test 25a: Crosstalk ratio	China National Standards
GB/T 5095.2307-2021	Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-7: Screening and filtering tests—Test 23g: Effective transfer impedance of connectors	China National Standards

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