DIFF Subgroup
G03B 21/08 affording epidiascopic projection
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Projectors or projection-type viewers; Accessories therefor > affording epidiascopic projection
CPC:
Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > affording epidiascopic projection
No child classifications to compare. This is a leaf node in both IPC and CPC.