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International Standard Category: Components for aerospace construction

QJ 549-1984    Sealing Parts and Sealing Method - Circular Lead Sealing
封印零件及封印方法 圆形铅封 ;
Category No.:49.035 Valid Status:valid
Issued Organization: Issued Date:1984-11-30
Implemented Date:1986-2-1 Abolished Date:
Superseded Standard.: Superseded Date:
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