Xiaojun YANG

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Shijiazhuang, CN

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Patents Applicationslast 30 patents

Information Patent Application
CUTTING TOOL FOR BREAKING OR EXCAVATING MACHINES
- Publication number 20100141016
- Publication date Jun 10, 2010
- Xiaojun Yang
- E21 - EARTH DRILLING MINING
Information Patent Application
WEAR-RESISTANT CUTTING BIT
- Publication number 20080106138
- Publication date May 8, 2008
- Xiaojun YANG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS