CN215672281U - 一种采矿工程用巷道临时支撑装置 - Google Patents
一种采矿工程用巷道临时支撑装置 Download PDFInfo
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- CN215672281U CN215672281U CN202122194897.4U CN202122194897U CN215672281U CN 215672281 U CN215672281 U CN 215672281U CN 202122194897 U CN202122194897 U CN 202122194897U CN 215672281 U CN215672281 U CN 215672281U
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CB03 | Change of inventor or designer information |
Inventor after: Cao Ye Inventor after: Meng Zexun Inventor after: Di Zhengbao Inventor after: Yan Chenglong Inventor before: Yan Chenglong |
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CB03 | Change of inventor or designer information | ||
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Effective date of registration: 20240123 Address after: Room 1306, 13th Floor, Building B8 #, Renhe Community, Desheng Street, Shulinzhao Town, Dalate Banner, Ordos City, Inner Mongolia Autonomous Region, 017000 Patentee after: Inner Mongolia Tongsheng Selen Coal Development Co.,Ltd. Country or region after: China Address before: 277300 Wu Lin sub district office Wu Lin Xi Cun, Yicheng District, Zaozhuang City, Shandong Province Patentee before: Yan Chenglong Country or region before: China |
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