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PCE
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DIFF Subgroup
G03B 3/04

adjusting position of image plane without moving lens

Introduced: September 1968

Full Title

Focusing arrangements of general interest for cameras, projectors or printers > adjusting position of image plane without moving lens

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

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03B 3/06 using movable reflectors to alter length of light path IPC+CPC Available in IPC and CPC