TREA

Blade or disc rotating or pivoting about axis normal to its plane

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Industry

  • CPC
  • G03B9/10
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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 G03B9/00Exposure-making shutters Diaphragms

Current Industry

G03B9/10Blade or disc rotating or pivoting about axis normal to its plane
Industries