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  1. IMPROVED REAR PROJECTION VIEWING SYSTEMS

    which produce both visible and ultra- violet light be divided after passing through the film for use in two ... that phosphors with a suitably short decay time have their emission located in the blue and ultra-violet part ... up of a mixture of two distinct phosphors, one of blue and ultra-violet color and very rapid decay ...

  2. VOLUME 1 OF 2 VOLUMES OBJECT TARGET NUMBER SEQUENCE NATIONAL BASE OF IMAGE-DERIVED INFORMATION (NBIDI) OBJECT TARGET LIST

    CREST NGA Records (Formerly NIMA) CIA-RDP84T00171R000202650001-7 RIPPUB T 337 December 28, 2016 March 20, 2012 1 October 1, 1983 REPORT Attachment Size CIA-RDP84T00171R000202650001-7.pdf 11.14 MB- Declassified in Part-Sanitized Copy Approved for Release 2 ...