The role of patents in technological progress with special attention to patents activity in the Netherlands
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OCLC: | 20840874 |
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Главный автор: | |
Соавтор: | |
Язык: | English |
Опубликовано: |
Den Hague,
1948.
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Предметы: | |
Формат: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |