CN202731100U - 一种用于换流站阀厅的分段焊接式钢屋架 - Google Patents
一种用于换流站阀厅的分段焊接式钢屋架 Download PDFInfo
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CN107045831A (zh) * | 2017-03-28 | 2017-08-15 | 青岛理工大学 | 用于钢屋架节点教学的装置 |
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CN107045831A (zh) * | 2017-03-28 | 2017-08-15 | 青岛理工大学 | 用于钢屋架节点教学的装置 |
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Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Free format text: FORMER NAME: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE |
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CP01 | Change in the name or title of a patent holder |
Address after: 510670 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510670 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee before: Guangdong Electric Power Design Institute of CEEC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20170909 |
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CF01 | Termination of patent right due to non-payment of annual fee |