CN209196550U - 一种天然气管道用dn100以下球阀安全排污泄放工具 - Google Patents
一种天然气管道用dn100以下球阀安全排污泄放工具 Download PDFInfo
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CN109373192A (zh) * | 2018-11-30 | 2019-02-22 | 中石化川气东送天然气管道有限公司 | 一种天然气管道用dn100以下球阀安全排污泄放工具 |
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CN109373192A (zh) * | 2018-11-30 | 2019-02-22 | 中石化川气东送天然气管道有限公司 | 一种天然气管道用dn100以下球阀安全排污泄放工具 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200915 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Patentee after: China Petroleum & Chemical Corp. Address before: 430223 Hubei Wuhan City, Wuhan City, East Lake New Technology Development Zone Optics Valley Avenue No. 126 Sichuan Gas East pipeline project, the 1-5 layer of the Wuhan control center Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211111 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Sichuan East Natural Gas Pipeline Co.,Ltd. |