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DIN 5031-4:1982-03
Physics of radiation in the field of optics and illuminating engineering; efficiencies
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Summary
Strahlungsphysik im optischen Bereich und Lichttechnik; Wirkungsgrade
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 03/01/1982 |
| Page Count | 4 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/03/1982
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