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PCE
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DIFF Subgroup
G02B 7/34

using different areas in a pupil plane

Introduced: January 1990

Full Title

Mountings, adjusting means, or light-tight connections, for optical elements > Systems for automatic generation of focusing signals > using different areas in a pupil plane

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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