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IPC Subgroup
G03B 27/52

Details

Introduced: September 1968

Last revised: January 2006

Full Title

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
APPARATUS 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

8 direct subcodes

Child Classifications

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  • G03B 27/53 Automatic registration or positioning of originals with respect to each other or the photosensitive layer
  • G03B 27/54 Lamp housings; Illuminating means
  • G03B 27/56 Mounting enlarger head on column
  • G03B 27/66 specially adapted for holding half-tone screens
  • G03B 27/68 Introducing or correcting distortion, e.g. in connection with oblique projection
  • G03B 27/7 Reflectors in printing beam