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PCE
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DIFF Subgroup
G02B 21/08

Condensers

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Microscopes > Means for illuminating specimen > Condensers

CPC:

Microscopes > Means for illuminating specimens > Condensers

Of 6 combined children, 3 exist in both systems.

3 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G02B 21/086 CPC only CPC only
  • G02B 21/088 CPC only CPC only
  • G02B 21/10 affording dark-field illumination (G02B21/14 take precedence) IPC+CPC Available in IPC and CPC
  • G02B 21/14 affording illumination for phase-contrast observation IPC+CPC Available in IPC and CPC