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移动式地铁隧道火灾烟气层高度测量装置

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  • Release time:2022-06-13

  • Type of Patent:Utility models

  • State of Patent:Authorized patents

  • Application Number:ZL 2021 2 0005513. 7

  • Service Invention or Not:yes

  • Application Date:2021-01-04

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