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。
找到 5,061 条
GB/T 8152.12-2006
Methods for chemical analysis of lead concentrates―Determination of cadmium content―Flame atomic absorption spectrometric method
GB/T 8152.11-2006
Methods for chemical analysis of lead concentrates―Determination of mercury content―Atomic fluorescence spectrometer method
GB/T 20424-2006
The specification for limit on harmful element content of the heavy metal concentrates products
GB/T 20410-2006
Steels for turbine bolts at high temperature
GB/T 20409-2006
Multi-rifled seamless steel tubes for high-pressure boiler
GB/T 13239-2006
Metallic materials―Tensile testing at low temperature
GB 9948-2006
Seamless steel tubes for petroleum cracking
GB/T 8547-2006
Titanium clad steel plate
GB/T 3630-2006
Niobium sheet，strip and foil
GB/T 3629-2006
Tantalum and tantalum alloy sheet，strip and foil
GB/T 3459-2006
Tungsten bars and rods
GB/T 3458-2006
Tungsten Powder
GB/T 5163-2006
Sintered metal materials，excluding hardmetals - Permeable sintered metal materials - Determination of density，oil content，and open porosity
GB/T 5162-2006
Metallic powders - Determination of tap density
GB/T 8760-2006
Gallium arsenide single crystal-determination of dislocation density
GB/T 8758-2006
Measuring thickness of epitaxial layers of gallium arsenide by infrared interference
GB/T 8757-2006
Determination of carrier concentration in gallium arsenide by the plasma resonance minimum
GB/T 5252-2006
Germanium monocrystal - inspection of dislocation etch pit density
GB/T 4326-2006
Extrinsic semiconductor single crystals measurement of Hall mobility and Hall coefficient
GB/T 1557-2006
The method of determining interstitial oxygen content in silicon by infrared absorption