DB15/T 1819.2-2020 Technical specification for ultrasonic phased array testing of welded joints of buried polyethylene pipelines for gas use Part 2: Testing of electrofusion joints (English Version)
Inner Mongolia Provincial Standard of the People's Republic of China
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DB15/T 1819.2-2020
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2020DB15/T 1819.2-2020 Technical specification for ultrasonic phased array testing of welded joints of buried polyethylene pipelines for gas use Part 2: Testing of electrofusion joints