Preventing damage to film due to abnormal operation of projector

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Projectors or projection-type viewers; Accessories therefor > Details > Details specially adapted for motion-picture projection > Preventing damage to film due to abnormal operation of projector

CPC:

Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > Details > Details specially adapted for motion-picture projection (with film moving continuously through the gate G03B41/02) > Preventing damage to film due to abnormal operation of projector

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