Yin-Szn Chen

Follow

Person

Kaohsiung Hsien, TW

People

Patents Applicationslast 30 patents

Information Patent Application
Rotary engraving tool
- Publication number 20030059263
- Publication date Mar 27, 2003
- Zen Wu Zheng Sun Tool Co. Ltd.
- Yin-Szn Chen
- B44 - DECORATIVE ARTS