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发明授权：非饱和冻土的气透性测试系统及测试方法

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  • Release time:2026-07-12

  • Patent Applicant:黄超, 张升, 徐浩东, 李兆晴

  • Type of Patent:Invent

  • Application Number:CN201910068346.8

  • Authorization number:CN109709020B

  • Service Invention or Not:no

  • Application Date:2019-01-24

  • Authorization Date:2023-11-07

  • First Author:童晨曦

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  • 邮箱:
Central South University  All rights reserved  湘ICP备05005659号-1 Click:
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