TREA

Projectors combined with typing apparatus or with printing apparatus

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Industry

  • CPC
  • G03B21/134
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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 G03B21/00Projectors or projection-type viewers Accessories therefor

Current Industry

G03B21/134Projectors combined with typing apparatus or with printing apparatus
Industries