First to file : patents for todays scientist and engineer
- takbook
- سایر محصولات
- 12th ژانویه 2018
- بدون نظر
How to Invent and Protect Your Invention: A Guide to Patents for Scientists and Engineers
- takbook
- سایر محصولات
- 12th ژانویه 2018
- بدون نظر
How to Invent and Protect Your Invention: A Guide to Patents for Scientists and Engineers
Joseph P. Kennedy, Wayne H. Watkins, Elyse N. Ball…
