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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