CN207018000U - 立井破损井壁修复用平台 - Google Patents
立井破损井壁修复用平台 Download PDFInfo
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CN201720045127.4U CN207018000U (zh) | 2017-01-13 | 2017-01-13 | 立井破损井壁修复用平台 |
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CN106593449A (zh) * | 2017-01-13 | 2017-04-26 | 马钢(集团)控股有限公司 | 立井破损井壁修复用平台、梯板梁支护结构和施工方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN106593449A (zh) * | 2017-01-13 | 2017-04-26 | 马钢(集团)控股有限公司 | 立井破损井壁修复用平台、梯板梁支护结构和施工方法 |
CN106593449B (zh) * | 2017-01-13 | 2019-05-03 | 马钢(集团)控股有限公司 | 立井破损井壁修复用平台及其施工方法 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20180810 Address after: 243071 No. 1899 Taibai Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee after: Magang Group mining industry Co., Ltd Address before: 243000 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Patentee before: Magang (Group) Holding Company Ltd. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 243071 No. 1899 Taibai Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee after: Anhui Maanshan Iron and Steel Mining Resources Group Co., Ltd. Address before: 243071 No. 1899 Taibai Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee before: Magang Group mining industry Co., Ltd |
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CP01 | Change in the name or title of a patent holder |