G03B 27/58 Baseboards, masking frames, or other holders for the sensitive material (G03B27/53 takes precedence )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Baseboards, masking frames, or other holders for the sensitive material
CPC: Baseboards, masking frames, or other holders for the sensitive material (G03B27/53 takes precedence )
Full Title
Full titles differ between systems:
Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details > Baseboards, masking frames, or other holders for the sensitive material
Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details > Baseboards, masking frames, or other holders for the sensitive material (G03B27/53 takes precedence )
CPC subdivides this area 6x more granularly than IPC with 5 additional codes.
5 codes are CPC-only extensions.
Child Classifications
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