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SEP 1921 (1984) — Ultrasonic Testing Standard for Steel / 德国钢铁商会超声波检测标准
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GB 5168-85: α-β Titanium Alloys — Examination of Structure (Chinese National Standard)
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GB/T 13305-2008 — Micrographic Method for Determining Area Content of α-Phases in Stainless Steels (English Translation)
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ਗ੍ਰਾਮਾ · 2026-05-14
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GB/T 1954-2008 — Methods of Measurement for Ferrite Content in Austenitic Cr-Ni Stainless Steel Weld Metals Standard Number: GB/T 1954-2008 Replaces: GB/T 1954-1980 Published: 2008-06-26 | Effective: 2009-01-01 Modified adoption of: ISO 8249:2000 (MOD) ICS: 25.160.20 | Classification: J33 Issuing Body: Standardization Administration of the People’s Republic of China 📄 Original Standard PDF (Chinese) Download […]
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