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Standard Insuued on: 1993-03

SY/T 4065-1993    Methods for Ultrasonic inspection and Quality classification of Welded Girth Butt joints in Oil and Gas steel pipelines
石油天然气钢质管道对接焊缝超声波探伤及质量分级
Category No.:SY Valid Status:superseded
Issued Organization: Issued Date:1993-03-27
Implemented Date:1993-3-1 Abolished Date:2005-10-01
Superseded Standard.:SY/T 4109-2005 Nondestructive testing of oil and gas steel pipeline
Superseded Date:2005-10-1
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SY/T 5056-1993   GB/T 4662-1993   LS/T 3501.10-1993   SJ/T 10341-1993   QB 1562-1992   GB 14161-2008   GB/T 14214-2003   GB/T 14212-2003   FZ/T 21001-1993   QB/T 2212.23-1996   QB/T 2212.7-1996   QB/T 2212.8-1996   QJ 2431.2-1993   GB 3100-1993   SN/T 0243-1993   YS/T 64-1993   DB34/T 092-1993   FZ/T 54004-1993   JB/T 3028-1993   FZ/T 75003-1993  

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