FR986401A - Dispositif optique pour l'obtention d'un polygone curviligne régulier lumineux, de diamètre réglable pour collimateurs de visée
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Dispositif optique pour l'obtention d'un polygone curviligne régulier lumineux, de diamètre réglable pour collimateurs de visée
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Etat Francais
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Etat Francais
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G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
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FR986401D1945-10-101945-10-10Dispositif optique pour l'obtention d'un polygone curviligne régulier lumineux, de diamètre réglable pour collimateurs de visée
ExpiredFR986401A
(fr)