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PCE
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DIFF Subgroup
G03B 13/06

with lenses with or without reflectors

Introduced: September 1968

Full Title

Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras > Viewfinders > with lenses with or without reflectors

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • G03B 13/08 with reflected image of frame IPC+CPC Available in IPC and CPC