GOST 8.557:1991被替代
State System For Ensuring The Uniformity Of Measurements - State Verification Schedule For Measuring Means Of Spectral, Integral And Reduced Regular Transmissivities Within The Wavelength Ranges Of 0.2-50.0 Um, Diffused And Mirror Reflections Within The Wavelength Ranges Of 0.1-20.0 Um
出版：Interstandard (Russia)
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