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GB/T 4797.9-2021
Classification of environmental conditions—Environmental conditions appearing in nature—Measured shock and vibration data during storage, transportation and in-use
GB/T 4490-2021
Conveyor belts with textile carcass—Widths and lengths
GB/T 4214.9-2021
Test method for noise of household and similar electrical appliances—Particular requirements for fans
GB/T 4214.8-2021
Test method for noise of household and similar electrical appliances—Particular requirements for electric cooking ranges, ovens, grills, microwave ovens and any combination of these
GB/T 4022.1-2021
Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1：Machines with table surface length of up to 1600 mm
GB/T 3792-2021
Information and documentation—Resource description
GB/T 3684-2021
Conveyor belts—Electrical conductivity—Specification and test method
GB/T 3480.2-2021
Calculation of load capacity of spur and helical gears—Part 2: Calculation of surface durability (pitting)
GB/T 3296-2021
Test method for translucency of daily-use porcelain
GB/T 2889.5-2021
Plain bearings—Terms, definitions, classification and symbols—Part 5:Application of symbols
GB/T 2680-2021
Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors
GB/T 2585-2021
Hot-rolled steel rails for railway
GB/T 1454-2021
Test method for edgewise compressive properties of sandwich constructions
GB/T 1406.3-2021
Types and dimensions of lamp caps—Part 3：Prefocus caps
GB/T 1149.6-2021
Internal combustion engines—Piston rings—Part 6: Scraper rings made of cast iron
GB/T 1149.4-2021
Internal combustion engines—Piston rings—Part 4:Quality requirements
GB/T 40042-2021
Green catering operation and management
GB/T 40040-2021
Guidelines for catering industry supply chain management
GB/T 40041-2021
Specifications for information description of food delivery
GB 17675-2021
Steering system of motor vehicles—Basic requirements
