现行

JG/T 225-2020

预应力混凝土用金属波纹管
Corrugated metal ducts for prestressed concrete

2020-01-13

现行

JJF 1812-2020

混凝土抗渗仪校准规范
Calibration Specification for Apparatus to Measure Water Permeability of Concrete

2020-01-17

现行

JJF 1807-2020

光谱总辐射通量灯校准规范
Calibration Specification for Total Spectral Radiant Flux Lamps

2020-01-17

现行

JJF 1798-2020

隔声测量室校准规范
Calibration Specification for Sound Insulation Measuring Rooms

2020-01-17

现行

JJF 1814-2020

雾度片校准规范
Calibration Specification for Haze Tablets

2020-01-17

现行

JJF 1813-2020

轮胎压力监测系统校准规范
Calibration Specification for Tire Pressure Monitoring Systems(TPMS)

2020-01-17

现行

JJF 1832-2020

(1 mT～2.5 T)磁强计校准规范
Calibration Specification for(1 mT～2.5 T) Magnetometers

2020-01-17

现行

JJF 1830-2020

软磁材料直流磁特性测量仪校准规范
Calibration Specification for DC Magnetic Properties Measuring Instruments for Magnetically Soft Materials

2020-01-17

现行

JJF 1829-2020

永磁材料磁性测量仪校准规范
Calibration Specification for Magnetic Measuring Instruments for Permanent Magnet Materials

2020-01-17

现行

JJF 1827-2020

水泥细度负压筛析仪校准规范
Calibration Specification for Cement Fineness Negative Pressure Screen Analyzers

2020-01-17

现行

JJF 1821-2020

聚合酶链反应分析仪温度校准装置校准规范
Calibration Specification for Temperature Calibration Devices for Polymerase Chain Reaction Analyzers

2020-01-17

现行

JJF 1805-2020

相位微跃器校准规范
Calibration Specification for Frequency and Phase Offset Generators

2020-01-17

现行

JJF 1800-2020

气溶胶光度计校准规范
Calibration Specification for Aerosol Photometers

2020-01-17

现行

JJF 1797-2020

对讲系统全程语音特性测量仪校准规范
Calibration Specification for Measuring Instruments for Overall Speech Characteristics of Intercom Systems

2020-01-17

现行

GA/T 961-2020

道路车辆智能监测记录系统验收技术规范
Technical specifications for acceptance of intelligent monitoring and recording system for vehicles on roads

2020-01-02

现行

GA/T 1277.4-2020

互联网交互式服务安全管理要求　第4部分：即时通信服务
Security management requirements for internet interactive service—Part 4:Instant messaging service

2020-01-10

现行

JG/T 575-2020

工程渣土免烧再生制品
Non-sintered regenerated product of construction waste

2020-01-13

现行

JJF 1796-2020

逆反射标准器校准规范
Calibration Specification for Retroreflective Standards

2020-01-17

现行

JJF 1811-2020

纸张(板)耐破度仪校准规范
Calibration Specification for Bursting Strength Testers for Paper(Board)

2020-01-17

现行

JJF 1806-2020

微小孔径测量仪校准规范
Calibration Specification for Measuring Equipment of Diameter of Micro and Small Hole

2020-01-17