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Title Optical and mechanical charasteristics of 16-millimeter motion-picture projectors Subtitle circular of The national bureau of standards C437 Author info by Robert E. Stephens Author Stephens Robert E. Další autoři United states department of commerce Issue data Washington : United states government printing office, 1942 Physical description - 22 s. ISBN (Brož.) Doc. Kind ENA - Manuals Database xxxk - Books Call number Track No. Location Sublocation Info 18669 0031112 FOND HRAD In-Library Use Only 
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