Arrangements of light sources specially adapted for photometry

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Photometry, e.g. photographic exposure meter > Details > Arrangements of light sources specially adapted for photometry

CPC:

Photometry, e.g. photographic exposure meter (spectrophotometry G01J3/00; specially adapted for radiation pyrometry G01J5/00 ) > Details > Arrangements of light sources specially adapted for photometry

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

Child Classifications

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G01J 2001/083 2nd only CPC only CPC only
G01J 2001/086 2nd only CPC only CPC only