CN206458499U - 煤矿用抽采钻孔套管悬挂固定装置 - Google Patents
煤矿用抽采钻孔套管悬挂固定装置 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111006968A (zh) * | 2019-12-25 | 2020-04-14 | 重庆大学 | 一种煤层瓦斯含量定点测试方法和实施该方法的密闭取样装置 |
CN111006900A (zh) * | 2019-12-25 | 2020-04-14 | 重庆大学 | 一种煤层瓦斯含量测试钻孔定点取样装置及煤层取样方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111006968A (zh) * | 2019-12-25 | 2020-04-14 | 重庆大学 | 一种煤层瓦斯含量定点测试方法和实施该方法的密闭取样装置 |
CN111006900A (zh) * | 2019-12-25 | 2020-04-14 | 重庆大学 | 一种煤层瓦斯含量测试钻孔定点取样装置及煤层取样方法 |
CN111006900B (zh) * | 2019-12-25 | 2022-05-10 | 重庆大学 | 一种煤层瓦斯含量测试钻孔定点取样装置及煤层取样方法 |
CN111006968B (zh) * | 2019-12-25 | 2022-08-12 | 重庆大学 | 一种煤层瓦斯含量定点测试方法和实施该方法的密闭取样装置 |
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TR01 | Transfer of patent right |
Effective date of registration: 20180309 Address after: Room 3, unit 101, building No. 1, Zezhou East Road community freight yard, Jincheng City, Shanxi Patentee after: Guan Hongxing Address before: The 3 District 046599 Shanxi city of Changzhi Province Wang Qinyuan County Town Village No. 03 Patentee before: Shi Mailin |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180621 Address after: 048000 A block 6, 608 building, 1 building, Fortune Plaza, Jincheng Development Zone, Shanxi. Patentee after: SHANXI HONGHAI TRADE CO., LTD. Address before: 048000 Shanxi Jincheng city Zezhou City East Road community yard 1 Building 3 unit 101 room. Patentee before: Guan Hongxing |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200528 Address after: Room 2999, room 101, floor 2, building 55, yard 5, Yujing East Road, Tongzhou District, Beijing 101100 Patentee after: Beijing Huake Juneng Technology Co., Ltd Address before: 048000 A block 6, 608 building, 1 building, Fortune Plaza, Jincheng Development Zone, Shanxi. Patentee before: SHANXI HONGHAI TRADE Co.,Ltd. |