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International Standard Category: Materials and components for shipbuilding

CB/Z 270-2004    Measurement of diving time for submarine
945钢焊接和焊缝修补技术要求 ;
Category No.:47.020.05 Valid Status:valid
Issued Organization:国防科学技术工业委员会 Issued Date:2004-09-01
Implemented Date:2004-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
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