31352499optical instrumentsPT2026-03-30 20:35:07UF31352500instruments, opticalNDUF31352501optical instrumentNDBT31324441equipment for science and technologyPTBT31324535medical equipmentPTNT31383798dichroscopesPTNT31383800lasersPTNT31383812binocularsPTNT31383804microscopesPTNT31383807telescopesPTNT31325045optophonesPTNT31383809collimatorsPTNT31383811[temporary alphabetical list: optical instruments]PTRT31327497opticsPT