DIFF Subgroup
G03B 27/04 Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
Introduced: September 1968
Full Title
Photographic printing apparatus > Exposure apparatus for contact printing > Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G03B 27/08 for automatic copying of several originals one after the other, e.g. for copying cinematograph film IPC+CPC Available in IPC and CPC