GOST 8.557:2007现行
State System For Ensuring The Uniformity Of Measurements - State Verification Schedule For Means Measuring The Spectral, Integral And Reduced Regular Transmittance And Optical Density Within The Wavelength Range From 0,2 To 50,0 Micrometer, Diffused And Regular Reflections Within The Wavelength Range From 0,2 To 20,0 Micrometer
出版：Interstandard (Russia)
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