CN207596891U - 一种具有真空结构的副枪枪体 - Google Patents
一种具有真空结构的副枪枪体 Download PDFInfo
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- CN207596891U CN207596891U CN201721832800.5U CN201721832800U CN207596891U CN 207596891 U CN207596891 U CN 207596891U CN 201721832800 U CN201721832800 U CN 201721832800U CN 207596891 U CN207596891 U CN 207596891U
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- wall
- vacuum
- steel pipe
- refractory material
- vacuum sleeve
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- Treatment Of Steel In Its Molten State (AREA)
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CN201721832800.5U CN207596891U (zh) | 2017-12-25 | 2017-12-25 | 一种具有真空结构的副枪枪体 |
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CN201721832800.5U CN207596891U (zh) | 2017-12-25 | 2017-12-25 | 一种具有真空结构的副枪枪体 |
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CN207596891U true CN207596891U (zh) | 2018-07-10 |
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2017
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Chuanfu metal materials Co., Ltd Assignor: WUHAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020420000002 Denomination of utility model: A sub gun body with vacuum structure Granted publication date: 20180710 License type: Common License Record date: 20201021 |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Wuhan Chuanfu metal materials Co.,Ltd. Assignor: WUHAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020420000002 Date of cancellation: 20220117 |
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EC01 | Cancellation of recordation of patent licensing contract |