Optics and optical instruments - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide (ISO 9022-20:1997)
German title
Optik und optische Instrumente - Umweltprüfverfahren - Teil 20: Schwefeldioxid- oder schwefelwasserstoffhaltige feuchte Atmosphäre (ISO 9022:20:1997)
Publication date
2001-05
Original language
German
Pages
6
Publication date
2001-05
Original language
German
Pages
6
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