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PCE
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DIFF Subgroup
G03B 21/12

adapted for projection of either still pictures or motion pictures (prolonged exhibition of single frame G03B21/38)

Introduced: September 1968

Title

Titles differ between systems:

IPC: adapted for projection of either still pictures or motion pictures

CPC: adapted for projection of either still pictures or motion pictures (prolonged exhibition of single frame G03B21/38)

Full Title

Full titles differ between systems:

IPC:

Projectors or projection-type viewers; Accessories therefor > adapted for projection of either still pictures or motion pictures

CPC:

Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > adapted for projection of either still pictures or motion pictures (prolonged exhibition of single frame G03B21/38)

No child classifications to compare. This is a leaf node in both IPC and CPC.