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PCE
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DIFF Subgroup
G03B 21/28

Reflectors in projection beam

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Projectors or projection-type viewers; Accessories therefor > Details > Reflectors in projection beam

CPC:

Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > Details > Reflectors in projection beam

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