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International Standard Category: Materials for aerospace construction in general

QJ 2907-1997    Technical Specifications for Phosphoric Acid Anodic Oxide Film Before Cementing of Aluminum Alloy
铝合金胶接前磷酸阳极氧化膜层技术条件 ;
Category No.:49.025.01 Valid Status:valid
Issued Organization: Issued Date:1997-03-10
Implemented Date:1997-10-5 Abolished Date:
Superseded Standard.: Superseded Date:
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