CN206513382U - 一种水域盾构隧道穿越管道的gfrp抗漂浮装置 - Google Patents
一种水域盾构隧道穿越管道的gfrp抗漂浮装置 Download PDFInfo
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CN110005870A (zh) * | 2019-04-02 | 2019-07-12 | 中国石油天然气集团有限公司 | 一种复杂地段埋地敷设管道支撑回填施工方法 |
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Cited By (1)
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CN110005870A (zh) * | 2019-04-02 | 2019-07-12 | 中国石油天然气集团有限公司 | 一种复杂地段埋地敷设管道支撑回填施工方法 |
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CP03 | Change of name, title or address |
Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100120 Beijing Xicheng District six laying Kang Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: China National Petroleum Corp. Co-patentee before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
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CP03 | Change of name, title or address | ||
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Effective date of registration: 20191015 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM Corp. Co-patentee before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
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