Means for automatic focusing therefor

Introduced: September 1968

Full Title

Photographic printing apparatus > Projection printing apparatus, e.g. enlarger, copying camera > Means for automatic focusing therefor

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

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G03B 27/36 by mechanical connections, e.g. by cam, by linkage IPC+CPC Available in IPC and CPC