Chunguang Ma

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Weihai, CN

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Patents Applicationslast 30 patents

Information Patent Application
PRINTER CONVENIENT FOR MAINTAINING PAPER CUTTING DEVICE
- Publication number 20130019729
- Publication date Jan 24, 2013
- Jigang Zhang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PRINT CONTROL METHOD AND DEVICE
- Publication number 20120257250
- Publication date Oct 11, 2012
- SHANDONG NEW BEIYANG INFORMATION TECHNOLOGY CO., LTD.
- Qiangzi Cong
- G07 - CHECKING-DEVICES