CN202023586U - 用于膏体充填液压支架的后挡板机构 - Google Patents
用于膏体充填液压支架的后挡板机构 Download PDFInfo
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- CN202023586U CN202023586U CN2011201000462U CN201120100046U CN202023586U CN 202023586 U CN202023586 U CN 202023586U CN 2011201000462 U CN2011201000462 U CN 2011201000462U CN 201120100046 U CN201120100046 U CN 201120100046U CN 202023586 U CN202023586 U CN 202023586U
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CN2011201000462U CN202023586U (zh) | 2011-04-08 | 2011-04-08 | 用于膏体充填液压支架的后挡板机构 |
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CN2011201000462U CN202023586U (zh) | 2011-04-08 | 2011-04-08 | 用于膏体充填液压支架的后挡板机构 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828762A (zh) * | 2012-09-07 | 2012-12-19 | 郑州四维机电设备制造有限公司 | 一种带侧护板的后挡矸梁悬挂摆梁式矸石填充液压支架 |
CN103670508A (zh) * | 2013-12-24 | 2014-03-26 | 徐州中矿大贝克福尔科技有限公司 | 一种煤矿膏体充填开采的摆动式隔离装置及隔离方法 |
CN113605945A (zh) * | 2021-09-01 | 2021-11-05 | 中煤盘江重工有限公司 | 一种液压支架伸缩梁侧护板 |
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2011
- 2011-04-08 CN CN2011201000462U patent/CN202023586U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828762A (zh) * | 2012-09-07 | 2012-12-19 | 郑州四维机电设备制造有限公司 | 一种带侧护板的后挡矸梁悬挂摆梁式矸石填充液压支架 |
CN103670508A (zh) * | 2013-12-24 | 2014-03-26 | 徐州中矿大贝克福尔科技有限公司 | 一种煤矿膏体充填开采的摆动式隔离装置及隔离方法 |
CN113605945A (zh) * | 2021-09-01 | 2021-11-05 | 中煤盘江重工有限公司 | 一种液压支架伸缩梁侧护板 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CATERPILLAR (ZHENGZHOU) CO., LTD. Free format text: FORMER NAME: ZHENGZHOU SIWEI ELECTROMECHANICAL EQUIPMENT MANUFACTURING CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 450001 No. 7 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee after: Caterpillar (Zhengzhou) Co., Ltd. Address before: 450001 No. 7 shuttle Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee before: Zhengzhou Siwei Electromechanical Equipment Manufacturing Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20200408 |