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PCE
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DIFF Subgroup
G03B 23/02

in which pictures are removed from, and returned to, magazines; Magazines therefor

Introduced: September 1968

Full Title

Devices for changing pictures in viewing apparatus or projectors > in which pictures are removed from, and returned to, magazines; Magazines therefor

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • G03B 23/06 with rotary movement IPC+CPC Available in IPC and CPC