Guoqiang Wang

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Weihai, CN

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Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR ERASING USED INK RIBBON
- Publication number 20110001787
- Publication date Jan 6, 2011
- Shandong New Beiyang Information Technology Co., Ltd.
- Qingbang Xu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS