Category:History of patent law (Q8519870)
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Language | Label | Description | Also known as |
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English | Category:History of patent law |
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Wikipedia(3 entries)
- arwiki تصنيف:تاريخ قانون براءات الاختراع
- enwiki Category:History of patent law
- fawiki رده:تاریخ ثبت اختراع