CN203066970U - 一种微束等离子弧表面熔覆的采煤截齿 - Google Patents
一种微束等离子弧表面熔覆的采煤截齿 Download PDFInfo
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- CN203066970U CN203066970U CN2012206782742U CN201220678274U CN203066970U CN 203066970 U CN203066970 U CN 203066970U CN 2012206782742 U CN2012206782742 U CN 2012206782742U CN 201220678274 U CN201220678274 U CN 201220678274U CN 203066970 U CN203066970 U CN 203066970U
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CN103061759A (zh) * | 2012-12-11 | 2013-04-24 | 山西潞安环保能源开发股份有限公司五阳煤矿 | 微束等离子弧表面熔覆的采煤截齿及其方法 |
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CN103061759A (zh) * | 2012-12-11 | 2013-04-24 | 山西潞安环保能源开发股份有限公司五阳煤矿 | 微束等离子弧表面熔覆的采煤截齿及其方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Du Hongkui Inventor after: Qu Fang Inventor after: Wang Qiang Inventor after: Zuo Jianghong Inventor after: Li Zhongqun Inventor after: Zhang Zhibing Inventor after: Wang Qiang Inventor before: Du Hongkui Inventor before: Qu Fang Inventor before: Wang Qiang Inventor before: Zuo Jianghong Inventor before: Li Zhongqun Inventor before: Zhang Zhibing Inventor before: Wang Qiang |
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CB03 | Change of inventor or designer information | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131211 |