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PCE
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DIFF Main Group
G01B 9/00

Measuring instruments characterised by the use of optical techniques

Introduced: September 1968

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • G01B 9/04 Measuring microscopes IPC+CPC Available in IPC and CPC
  • G01B 9/06 Measuring telescopes IPC+CPC Available in IPC and CPC
  • G01B 9/08 Optical projection comparators IPC+CPC Available in IPC and CPC
  • G01B 9/10 Goniometers for measuring angles between surfaces IPC+CPC Available in IPC and CPC