DB22/T 2874-2018 Technical regulations for multi-channel magnetic detection of oxide skin on austenitic heating surface tubes of supercritical generating set boilers (English Version)
Jilin Provincial Standard of the People's Republic of China
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DB22/T 2874-2018
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2018DB22/T 2874-2018 Technical regulations for multi-channel magnetic detection of oxide skin on austenitic heating surface tubes of supercritical generating set boilers