组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 19408.6-2020
Agricultural vehicles—Mechanical connections between towed and towing vehicles—Part 6：Specifications for non-swivel clevis couplings
GB/T 39232-2020
Zirconia ceramics knife
GB/T 39519-2020
Hydranlic cylindrically helical compression spring with high working stress—Technical specifications
GB/T 39323-2020
Performance requirement and testing method for lane keeping assist (LKA) system of passenger cars
GB/T 39277-2020
Vessel traffic services
GB/T 39245.2-2020
Grooved metal gaskets with covering layers for pipe flanges—Part 2：Class designated
GB/T 32538.3-2020
Agricultural vehicles—Mechanical connections on towed vehicles—Part 3: Swivel hitch rings
GB/T 39398-2020
Monitoring and assessment parameters of international GNSS monitoring and assessment system (iGMAS)
GB/T 39478-2020
General technical requirements of parking service mobile robot
GB/T 39250-2020
Tractors and machinery for agriculture and forestry—Speed identification sign（SIS）
GB/T 39389-2020
Plastic composite hose for gas welding，cutting and allied processes
GB/T 3452.4-2020
O-rings for fluid power systems—Part 4:Anti-extrusion rings (back-up rings)
GB/T 39288-2020
Thermal storage device with electrical input and thermal output
GB/T 39426-2020
General technical specification for permanent magnetic direct drive motor vehicles of urban rail transit
GB/T 39393-2020
Technical specification of intelligent controller unit for household appliances
GB/T 39268-2020
General specification for GNSS navigation receivers onboard low earth orbit satellite
GB/T 39275-2020
Power electronics systems and equipment—Operation conditions and characteristics of active infeed converter (AIC) applications
GB/T 39397.1-2020
File format of international GNSS monitoring and assessment system (iGMAS)—Part 1: Observation data
GB/T 39309-2020
Rubber hoses and hose assemblies—Wire- or textile-reinforced single-pressure types for hydraulic applications—Specification
GB/T 19473.5-2020
Polybutene (PB) piping systems for hot and cold water installations—Part 5: Fitness for purpose of the system
