TREA

with slit or like diaphragm moving over original for progressive exposure

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Industry

  • CPC
  • G03B27/50
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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

G03B27/50with slit or like diaphragm moving over original for progressive exposure
Industries