TREA

by varying interval of time between end of opening movement and beginning of closing movement

Follow

Industry

  • CPC
  • G03B9/62
This industry / category may be too specific. Please go to a parent level for more data

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 G03B9/00Exposure-making shutters Diaphragms

Current Industry

G03B9/62by varying interval of time between end of opening movement and beginning of closing movement
Industries