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International Standard Category: Testing of metals in general

DB37/T 3142-2018    Technical regulation of Phased-array Ultrasonic Testing for welded joints of small diameter pipe
小径管焊接接头相控阵超声检测技术规程 ;
Category No.:77.040.01 Valid Status:valid
Issued Organization:Shandong Bureau of Quality and Technical Supervision Issued Date:2018-02-13
Implemented Date:2018-3-13 Abolished Date:
Superseded Standard.: Superseded Date:
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