| WriteOnceDataStorage(write once data storage) | 
| appearance as argument number 1 | 
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| (documentation WriteOnceDataStorage EnglishLanguage "A DigitalDataStorageDevice on which the DigitalData once written can not be deleted or altered, e.g. CD-R, DVD-R.") | Media.kif 712-712 | |
| (subclass WriteOnceDataStorage DigitalDataStorageDevice) | Media.kif 711-711 | Write once data storage is a subclass of digital data storage device | 
| appearance as argument number 2 | 
|   | 
| (subclass CDR WriteOnceDataStorage) | Media.kif 1179-1179 | CD-R is a subclass of write once data storage | 
| (termFormat EnglishLanguage WriteOnceDataStorage "write once data storage") | domainEnglishFormat.kif 65742-65742 | CD-R is a subclass of write once data storage | 
| antecedent | 
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