CN209413883U - 一种煤矿用注水封孔器 - Google Patents
一种煤矿用注水封孔器 Download PDFInfo
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- CN209413883U CN209413883U CN201821927290.4U CN201821927290U CN209413883U CN 209413883 U CN209413883 U CN 209413883U CN 201821927290 U CN201821927290 U CN 201821927290U CN 209413883 U CN209413883 U CN 209413883U
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CN201821927290.4U CN209413883U (zh) | 2018-11-22 | 2018-11-22 | 一种煤矿用注水封孔器 |
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CN201821927290.4U CN209413883U (zh) | 2018-11-22 | 2018-11-22 | 一种煤矿用注水封孔器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115217437A (zh) * | 2022-07-11 | 2022-10-21 | 中煤科工集团重庆研究院有限公司 | 一种煤矿用注水封孔器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115217437A (zh) * | 2022-07-11 | 2022-10-21 | 中煤科工集团重庆研究院有限公司 | 一种煤矿用注水封孔器 |
CN115217437B (zh) * | 2022-07-11 | 2023-11-17 | 中煤科工集团重庆研究院有限公司 | 一种煤矿用注水封孔器 |
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Effective date of registration: 20211014 Address after: 215300 room 336, 2388 Huangpujiang Middle Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Jiangsu ankuang Microorganism Research Co.,Ltd. Address before: 471000 room 106, building a, Luoyang grizzly bear science and Technology Park, No. 10, Tanggong East Road, Laocheng District, Luoyang City, Henan Province Patentee before: LUOYANG TENGXIAO BIOTECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221226 Address after: 471000 room 106, building a, Luoyang grizzly bear science and Technology Park, No. 10, Tanggong East Road, Laocheng District, Luoyang City, Henan Province Patentee after: LUOYANG TENGXIAO BIOTECHNOLOGY CO.,LTD. Address before: 215300 room 336, 2388 Huangpujiang Middle Road, Lujia Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Jiangsu ankuang Microorganism Research Co.,Ltd. |
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TR01 | Transfer of patent right |