U.S. federal trademark · Serial No. 77387683 · Reg. No. 3600515
Downloadable electronic publications in the nature of journals in the field of optics and photonics; electronic publications, namely, journals in the field of optics and photonics recorded on computer media
Providing on-line publications in the nature of journals in the field of optics and photonics
[ Journal concerning optics and photonics ]
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