CN202029706U - 接触网防冰冻系统 - Google Patents
接触网防冰冻系统 Download PDFInfo
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- CN202029706U CN202029706U CN2011200628972U CN201120062897U CN202029706U CN 202029706 U CN202029706 U CN 202029706U CN 2011200628972 U CN2011200628972 U CN 2011200628972U CN 201120062897 U CN201120062897 U CN 201120062897U CN 202029706 U CN202029706 U CN 202029706U
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200628972U CN202029706U (zh) | 2011-03-11 | 2011-03-11 | 接触网防冰冻系统 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200628972U CN202029706U (zh) | 2011-03-11 | 2011-03-11 | 接触网防冰冻系统 |
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| CN202029706U true CN202029706U (zh) | 2011-11-09 |
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| CN2011200628972U Expired - Lifetime CN202029706U (zh) | 2011-03-11 | 2011-03-11 | 接触网防冰冻系统 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638019A (zh) * | 2012-04-09 | 2012-08-15 | 株洲变流技术国家工程研究中心有限公司 | 一种高速电气化铁路接触网直流融冰方法 |
| CN102638020A (zh) * | 2012-04-09 | 2012-08-15 | 株洲变流技术国家工程研究中心有限公司 | 一种高速电气化铁路接触网直流融冰装置及其系统 |
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2011
- 2011-03-11 CN CN2011200628972U patent/CN202029706U/zh not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638019A (zh) * | 2012-04-09 | 2012-08-15 | 株洲变流技术国家工程研究中心有限公司 | 一种高速电气化铁路接触网直流融冰方法 |
| CN102638020A (zh) * | 2012-04-09 | 2012-08-15 | 株洲变流技术国家工程研究中心有限公司 | 一种高速电气化铁路接触网直流融冰装置及其系统 |
| CN102638019B (zh) * | 2012-04-09 | 2015-02-25 | 株洲变流技术国家工程研究中心有限公司 | 一种高速电气化铁路接触网直流融冰方法 |
| CN102638020B (zh) * | 2012-04-09 | 2015-05-13 | 株洲变流技术国家工程研究中心有限公司 | 一种高速电气化铁路接触网直流融冰装置及其系统 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti-freezing system for contact network Effective date of registration: 20131226 Granted publication date: 20111109 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2013990001027 |
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Date of cancellation: 20150602 Granted publication date: 20111109 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2013990001027 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti-freezing system for contact network Effective date of registration: 20150608 Granted publication date: 20111109 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2015990000450 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170120 Granted publication date: 20111109 Pledgee: Chengdu technology transfer (Group) Co., Ltd. Pledgor: Sichuan Huiyou Electric Co., Ltd. Registration number: 2015990000450 |
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