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International Standard Category: General standards related to shipbuilding and marine structures

CB 1220-2005    Normal forms of welding groove and outside size of welds for 921A steel etc.
921A等钢焊接坡口基本形式及焊缝外形尺寸;
Category No.:47.020.01 Valid Status:valid
Issued Organization:0 Issued Date:2005-12-12
Implemented Date:2006-5-1 Abolished Date:
Superseded Standard.: Superseded Date:
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