Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
G03B 27/32

Projection printing apparatus, e.g. enlarger, copying camera

Introduced: September 1968

Last revised: January 2006

Full Title

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

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

Related Keywords

photographic ENLARGERSusing PROJECTION apparatus for photographic printing

6 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • G03B 27/42 for automatic sequential copying of the same original
  • G03B 27/44 for multiple copying of the same original at the same time
  • G03B 27/5 with slit or like diaphragm moving over original for progressive exposure