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in stockReleased: 1983-03-15
UNE 72021:1983
PHOTOMETRIC QUANTITIES
Magnitudes fotométricas.
Standard number: | UNE 72021:1983 |
Pages: | 4 |
Released: | 1983-03-15 |
DESCRIPTION
This standard UNE 72021:1983 PHOTOMETRIC QUANTITIES is classified in these ICS categories: