CN202989283U - 管道防腐装置 - Google Patents
管道防腐装置 Download PDFInfo
- Publication number
- CN202989283U CN202989283U CN 201220736367 CN201220736367U CN202989283U CN 202989283 U CN202989283 U CN 202989283U CN 201220736367 CN201220736367 CN 201220736367 CN 201220736367 U CN201220736367 U CN 201220736367U CN 202989283 U CN202989283 U CN 202989283U
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- pipeline
- anode conducting
- power supply
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220736367 CN202989283U (zh) | 2012-12-27 | 2012-12-27 | 管道防腐装置 |
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CN 201220736367 CN202989283U (zh) | 2012-12-27 | 2012-12-27 | 管道防腐装置 |
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CN202989283U true CN202989283U (zh) | 2013-06-12 |
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CN 201220736367 Expired - Lifetime CN202989283U (zh) | 2012-12-27 | 2012-12-27 | 管道防腐装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109208009A (zh) * | 2018-09-26 | 2019-01-15 | 江苏清源管道技术有限公司 | 一种地铁区域的管道防腐系统 |
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2012
- 2012-12-27 CN CN 201220736367 patent/CN202989283U/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109208009A (zh) * | 2018-09-26 | 2019-01-15 | 江苏清源管道技术有限公司 | 一种地铁区域的管道防腐系统 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171020 Address after: 100000 C, building 501-2, office building, Heng Ao center, building 26, Kam Fang street, Xicheng District, Beijing Patentee after: ENN (CHINA) GAS INVESTMENT Co.,Ltd. Address before: Wenling Road, Licheng District of Quanzhou City, 362000 overseas building, Fujian Province Patentee before: Quanzhou Gas Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180930 Address after: 100176 1103A 1, Ronghua South Road, Beijing economic and Technological Development Zone, Daxing District, Beijing, China, 1 Patentee after: ENN FANNENG NETWORK TECHNOLOGY CO.,LTD. Address before: 100000 C block 501-2, office building, 26 Olympic building, Jin Sha Fang street, Xicheng District, Beijing. Patentee before: ENN (CHINA) GAS INVESTMENT Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191231 Address after: 065001 Langfang City, Hebei Province Development Zone Langfang Huaxiang 118 No. 0392 Building 1 Patentee after: LANGFANG ENN PANERGY NETWORK TECHNOLOGY SERVICE CO.,LTD. Address before: 100176 1103A 1, Ronghua South Road, Beijing economic and Technological Development Zone, Daxing District, Beijing, China, 1 Patentee before: ENN FANNENG NETWORK TECHNOLOGY CO.,LTD. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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CX01 | Expiry of patent term |