On the Three-step Successive Extension in Rights and Obligations of Safety Belt of Oil and Gas Pipeline——A Supplementary Explanation of Key Legal Principles of the Law of Oil & Gas Pipeline Protection of PRC
TAO Qingde
Journal of Southwest Petroleum University(Social Sciences Edition) . 2021, (2): 1 -10 .  DOI: 10.11885/j.issn.1674-5094.2020.10.01.01