HB 5271-1983
Inspection methods and standards for the purity of aviation advanced high-quality steel (English Version)
- Standard No.
- HB 5271-1983
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Aviation
- Status
- Latest
- HB 5271-1983
HB 5271-1983 history
- 1970 HB 5271-1983 Inspection methods and standards for the purity of aviation advanced high-quality steel
