The new patent law: its history, objects, and provisions ; the Protection of inventions acts, 14 Vict. c.8, & 15 Vict. c.6 ; and the Patent law . the rules of the commissioners of patents, as
Код 2215379
- ISBN: 978-5-8785-3541-0
- Книга по требованию
Код 2215379
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