METHOD AND APPARATUS FOR PREVENTING FREEZING OF WATER PIPE BY ULTRASONIC WAVES

• 1. 一种防止氨水管道冻结的反吹装置 [P] . 中国专利： CN213394628U . 2021-06-08
• 2. 市政联络通道排水管管口压盖修复液氮冻结装置及压盖修复方法 [P] . 中国专利： CN113235563A . 2021-08-10
• 3. METHOD AND APPARATUS FOR PREVENTING FREEZING OF WATER PIPE BY ULTRASONIC WAVES [P] . 日本专利： JPH0420454B2 . 1992-04-02

  机译： 用超声波防止水管冻结的方法和装置

• 4. METHOD AND DEVICE FOR PREVENTING FREEZING OF WATER BY ULTRASONIC WAVE [P] . 日本专利： JPS5516168A . 1980-02-04

  机译： 防止超声波冻结水的方法和装置

• 5. APPARATUS AND METHOD FOR PREVENTING FREEZING OF WATER PIPE [P] . 韩国专利： KR20150042766A . 2015-04-21

  机译： 防止水管冻结的装置和方法

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• 4. Application of Ultrasonic Guided Waves for Inspection of High Density Polyethylene Pipe Systems [O] . Premesh Shehan Lowe, Habiba Lais, Veena Paruchuri, 2020
• 5. New Pipe Notch Detection and Location Method for Short Distances employing Ultrasonic Guided Waves [O] . Carlos Quiterio Gómez Muñoz, Fausto Pedro García Marquez, Benjamin Lev, 2017

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