TREA

whereby the picture is returned to the same stock

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Industry

  • CPC
  • G03B23/044
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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 G03B23/00Devices for changing pictures in viewing apparatus or projectors

Current Industry

G03B23/044whereby the picture is returned to the same stock
Industries