wratten number (Q1396353)
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labeling system for optical filters
Language | Label | Description | Also known as |
---|---|---|---|
English | wratten number |
labeling system for optical filters |
Statements
Identifiers
Sitelinks
Wikipedia(6 entries)
- cawiki Nombre de Wratten
- cswiki Barevný filtr
- enwiki Wratten number
- eswiki Número de Wratten
- jawiki ラッテン番号
- nlwiki Kleurfilter