CN206091993U - 一种矿井冷冻微循环结构 - Google Patents
一种矿井冷冻微循环结构 Download PDFInfo
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Denomination of utility model: Freezing microcirculation structure of mine Effective date of registration: 20180226 Granted publication date: 20170412 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: XI'AN LIANSHENG ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018610000029 |
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Date of cancellation: 20200316 Granted publication date: 20170412 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: XI'AN LIANSHENG ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018610000029 |
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Denomination of utility model: Freezing microcirculation structure of mine Effective date of registration: 20200319 Granted publication date: 20170412 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: XI'AN LIANSHENG ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980000864 |
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Date of cancellation: 20220930 Granted publication date: 20170412 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: XI'AN LIANSHENG ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980000864 |
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