CN201747391U - 大采高工作面两级侧护过渡支架 - Google Patents
大采高工作面两级侧护过渡支架 Download PDFInfo
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- CN201747391U CN201747391U CN2010205145019U CN201020514501U CN201747391U CN 201747391 U CN201747391 U CN 201747391U CN 2010205145019 U CN2010205145019 U CN 2010205145019U CN 201020514501 U CN201020514501 U CN 201020514501U CN 201747391 U CN201747391 U CN 201747391U
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CN2010205145019U CN201747391U (zh) | 2010-09-02 | 2010-09-02 | 大采高工作面两级侧护过渡支架 |
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CN201747391U true CN201747391U (zh) | 2011-02-16 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906982A (zh) * | 2010-09-02 | 2010-12-08 | 郑州煤矿机械集团股份有限公司 | 大采高工作面两级侧护过渡支架 |
CN114320418A (zh) * | 2022-01-05 | 2022-04-12 | 国家能源集团国源电力有限公司 | 煤矿工作面支架及其控制方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101906982A (zh) * | 2010-09-02 | 2010-12-08 | 郑州煤矿机械集团股份有限公司 | 大采高工作面两级侧护过渡支架 |
CN114320418A (zh) * | 2022-01-05 | 2022-04-12 | 国家能源集团国源电力有限公司 | 煤矿工作面支架及其控制方法 |
CN114320418B (zh) * | 2022-01-05 | 2023-11-03 | 国家能源集团国源电力有限公司 | 煤矿工作面支架及其控制方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA SHENHUA ENERGY COMPANY LIMITED |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110525 Address after: 450013 No. 105, Huashan Road, Zhongyuan District, Henan, Zhengzhou Co-patentee after: China Shenhua Energy Co., Ltd. Patentee after: Zhengzhou Coal Mining Machinery Group Co., Ltd. Address before: 450013 No. 105, Huashan Road, Zhongyuan District, Henan, Zhengzhou Patentee before: Zhengzhou Coal Mining Machinery Group Co., Ltd. |
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AV01 | Patent right actively abandoned |
Granted publication date: 20110216 Effective date of abandoning: 20111221 |