CN209066724U - 一种体内预应力竹工字梁 - Google Patents
一种体内预应力竹工字梁 Download PDFInfo
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- CN209066724U CN209066724U CN201820520346.8U CN201820520346U CN209066724U CN 209066724 U CN209066724 U CN 209066724U CN 201820520346 U CN201820520346 U CN 201820520346U CN 209066724 U CN209066724 U CN 209066724U
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- bamboo
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- prestressing
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CN201820520346.8U CN209066724U (zh) | 2018-04-05 | 2018-04-05 | 一种体内预应力竹工字梁 |
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CN201820520346.8U CN209066724U (zh) | 2018-04-05 | 2018-04-05 | 一种体内预应力竹工字梁 |
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CN209066724U true CN209066724U (zh) | 2019-07-05 |
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CN201820520346.8U Expired - Fee Related CN209066724U (zh) | 2018-04-05 | 2018-04-05 | 一种体内预应力竹工字梁 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108360742A (zh) * | 2018-04-05 | 2018-08-03 | 南京林业大学 | 一种体内预应力竹工字梁 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108360742A (zh) * | 2018-04-05 | 2018-08-03 | 南京林业大学 | 一种体内预应力竹工字梁 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Suqian De Wei new material Co., Ltd Assignor: Nanjing Forestry University Contract record no.: X2019320000282 Denomination of utility model: Internal prestress bamboo I-shaped beam Granted publication date: 20190705 License type: Common License Record date: 20191119 Assignee: Suqian Dewei Fiberglass Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000281 Denomination of utility model: Internal prestress bamboo I-shaped beam Granted publication date: 20190705 License type: Common License Record date: 20191119 Assignee: Nanjing Boke New Material Industry Research Institute Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000283 Denomination of utility model: Internal prestress bamboo I-shaped beam Granted publication date: 20190705 License type: Common License Record date: 20191119 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 Termination date: 20200405 |
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CF01 | Termination of patent right due to non-payment of annual fee |