How to Invent and Protect Your Invention: A Guide to

2014-01-15 分类：未分类

How to Invent and Protect Your Invention: A Guide to Patents for Scientists and Engineers

Hardcover: 252 pages

Publisher: Wiley (July 25, 2012)

Language: English

ISBN-10: 1118369378

代发服务PDF电子书10元立即求助

1111

 打赏