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Evaluation of still projectors with incandescent lamps; measurement of temperature in the projection area of overhead projectors.
STANDARD published on 1.9.1987
Designation standards: DIN 19021-3:1987-09
Note: WITHDRAWN
Publication date standards: 1.9.1987
SKU: NS-188872
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: German technical standard
Category: Technical standards DIN
Bewertung von Stehbildwerfern mit Lichtwurflampen; Temperaturmessung an Arbeitsprojektoren.
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