當(dāng)前位置:
首頁 >
3.39微米波長基準(zhǔn)操作技術(shù)規(guī)范

Operating Technical Norm of 3.39μm Wavelength primary Standard
標(biāo)準(zhǔn)號:JJF 1201-1990
Operating Technical Norm of 3.39μm Wavelength primary Standard
標(biāo)準(zhǔn)號:JJF 1201-1990