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PCE
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CPC Subgroup
G03B 21/132

Overhead projectors, i.e. capable of projecting hand-writing or drawing during action (epidiascopic projectors G03B21/08)

Full Title

Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > Overhead projectors, i.e. capable of projecting hand-writing or drawing during action (epidiascopic projectors G03B21/08)