Weijiang Chen

Follow

Person

Zhuahai, CN

People

Patents Applicationslast 30 patents

Information Patent Application
NEGATIVE-PRESSURE INK CARTRIDGE REFILLING DEVICE, SYSTEM AND METHOD
- Publication number 20130135402
- Publication date May 30, 2013
- ZHUHAI NINESTAR MANAGEMENT CO., LTD.
- Lei Qin
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES