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International Standard Category: Materials for aerospace construction in general

QJ A 171-1996    QJ A 171-1996 Technical Specifications for Copper Alloy Castings
铜合金铸件技术条件;
Category No.:49.025.01 Valid Status:valid
Issued Organization: Issued Date:
Implemented Date:1996-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
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