DIFF Subgroup
G03B 27/64 using a vacuum or fluid pressure
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details > Holders for the original > using a vacuum or fluid pressure
CPC:
Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Details > Holders for the original (G03B27/53 takes precedence ) > using a vacuum or fluid pressure
No child classifications to compare. This is a leaf node in both IPC and CPC.