CN205908812U - 一种防火止回阀 - Google Patents
一种防火止回阀 Download PDFInfo
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- CN205908812U CN205908812U CN201620856309.5U CN201620856309U CN205908812U CN 205908812 U CN205908812 U CN 205908812U CN 201620856309 U CN201620856309 U CN 201620856309U CN 205908812 U CN205908812 U CN 205908812U
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- valve block
- valve
- fire
- fixture
- check valve
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CN201620856309.5U CN205908812U (zh) | 2016-08-09 | 2016-08-09 | 一种防火止回阀 |
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CN201620856309.5U CN205908812U (zh) | 2016-08-09 | 2016-08-09 | 一种防火止回阀 |
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CN205908812U true CN205908812U (zh) | 2017-01-25 |
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CN201620856309.5U Active CN205908812U (zh) | 2016-08-09 | 2016-08-09 | 一种防火止回阀 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106051235A (zh) * | 2016-08-09 | 2016-10-26 | 杭州小米环境科技有限公司 | 一种防火止回阀 |
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2016
- 2016-08-09 CN CN201620856309.5U patent/CN205908812U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106051235A (zh) * | 2016-08-09 | 2016-10-26 | 杭州小米环境科技有限公司 | 一种防火止回阀 |
CN106051235B (zh) * | 2016-08-09 | 2020-12-22 | 杭州小米环境科技有限公司 | 一种防火止回阀 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co., Ltd Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Denomination of utility model: Fire-proof check valve Granted publication date: 20170125 License type: Exclusive License Record date: 20200727 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co., Ltd Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Date of cancellation: 20201113 |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co., Ltd Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000595 Denomination of utility model: A fire check valve Granted publication date: 20170125 License type: Exclusive License Record date: 20201113 |
|
EE01 | Entry into force of recordation of patent licensing contract |