CN201817506U - 一种小孔径锥形格孔的正六边形格子砖 - Google Patents
一种小孔径锥形格孔的正六边形格子砖 Download PDFInfo
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CN112063786A (zh) * | 2020-09-28 | 2020-12-11 | 中冶京诚工程技术有限公司 | 具有气体通道的格子砖 |
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CN112063786A (zh) * | 2020-09-28 | 2020-12-11 | 中冶京诚工程技术有限公司 | 具有气体通道的格子砖 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Owner name: ZHENGZHOU YUXING HOT-BLAST STOVE TECHNOLOGY CO., L Free format text: FORMER OWNER: ZHENGZHOU YUXING REFRACTORY MATERIAL CO., LTD. Effective date: 20150511 |
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Effective date of registration: 20150511 Address after: 452374 bridge village, Yue town, Xinmi, Henan Patentee after: Zhengzhou Yuxing hot blast stove Technology Co., Ltd. Address before: 452374 Yue Village, Yue Village, Xinmi, Henan Patentee before: Zhengzhou Yuxing Refractory Material Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20181027 |
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CF01 | Termination of patent right due to non-payment of annual fee |