computer operating system
| software
| computer operating systems | |
| patents. | sistemas operativos para computadores |
| software | |
| gen. | software informático |
| econ. | software |
| ed. IT R&D. | logicial |
| environ. | software |
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| sistemas operativos para computadores | |||
| English thesaurus | |||
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| COS | |||
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computer operating system : 2 phrases in 1 subject |
| Patents | 2 |