U.S. federal trademark · Serial No. 74252894 · Reg. No. 2052722
atlas of electromagnetic spectra, stored magnetically or optically for use with electronic data processing installations, said atlas being used for comparing spectra of unknown substances with spectra of known substances for identification purposes and for documenting spectra for scientific purposes
atlas of electromagnetic spectra in printed form, said atlas being used for comparing spectra of unknown substances with spectra of known substances for identification purposes and for documenting spectra for scientific purposes
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