TREA

specially adapted for holding half-tone screens

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Industry

  • CPC
  • G03B27/66
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Parent Industries

GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR G03B27/00Photographic printing apparatus

Current Industry

G03B27/66specially adapted for holding half-tone screens
Industries