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 1859.4-2025
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 4: Survey method for use in situ
GB/T 17001.2-2025
Anti-counterfeiting printing ink—Part 2：Magnetic anti-counterfeiting printing ink
GB/T 45989-2025
Software process capability maturity model
GB/T 45954-2025
General technical requirements for meteorological measurement standards—Air humidity
GB/T 45955-2025
Performance test methods for meteorological instruments and equipments—Temperature
GB/T 45962-2025
Performance test methods for meteorological instruments and equipments—Atmospheric pressure
GB/T 45956-2025
Performance test methods for meteorological instruments and equipments—Air humidity
GB/T 45159.5-2025
Mechanical vibration and shock—Characterization of the dynamic mechanical properties of visco-elastic materials—Part 5: Poisson ratio based on comparison between measurements and finite element analysis
GB/T 3672.2-2025
Tolerances for rubber products—Part 2: Geometrical tolerances
GB/T 3672.1-2025
Tolerances for rubber products—Part 1: Dimensional tolerances
GB/T 3780.31-2025
Carbon black—Part 31: Determination of total hydrogen content
GB/T 1921-2025
Specification for industrial boilers
GB/T 2481.1-2025
Bonded abrasives—Determination and designation of grain size distribution—Part 1:Macrogrits F4 to F220
GB/T 3780.21-2025
Carbon black—Part 21：Determination of sieve residue—Water washing method
GB/T 3780.7-2025
Carbon black—Part 7：Determination of pH value
GB/T 45992-2025
Collagen and its hydrolysate
GB/T 20833.2-2025
Rotating electrical machines—Winding insulation—Part 2: On-line partial discharge measurements on the stator winding insulation
GB/T 28729-2025
Nitrous oxide
GB/T 14447-2025
Test method for electrostatic property of plastic film—Half-life method
GB/T 16929-2025
Test method for packaging materials—Oil permeability