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Prezenta inventiei se refera la obtinerea la 1400 degree C în vid a monocristalelor pure din CaF2 fara defecte de structura, dislocatii sau centrii de culoare cu o transmisie de peste 96% în ultraviolet si infrarosu.
RO81104857A1981-07-131981-07-13Instalatie industriala pentru obtinerea monocristalelor
RO82663A2
(ro)
Cadre d'ecartement ainsi que procede et dispositif pour plier des lattes profilees creuses en vue de former un tel cadre d'ecartement pour verre isolant