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(12)发明专利申请(10)申请公布号CN105732383A(45)申请公布日2016.07.06(21)申请号CN201410768798.4(22)申请日2014.12.11(71)申请人中国石油天然气股份有限公司地址100007|北京市东城区东直门北大街9号中国石油大(72)发明人刘宇;韩小平;王淑娟;张宏宇(74)专利代理机构北京律诚同业知识产权代理有限公司11006代理人高龙鑫;梁挥
(22) 申请 号 CN201410768798.4 (22) Date of Application 2014.12.11 (71) Applicant Name of PetroChina Company Limited Dongfeng District, Beijing Dongzhimen North Street No. 9, China Petroleum large (72) inventor Liu Yu; Han Xiaoping; Wang Shujuan; Zhang Hongyu (74) Patent Agency Beijing Intellectual Property Agency Co., Ltd. Agent Cheng Cheng 11006 Agent Gao Longxin;