Heat treatment after valve surfacing
2020-04-01View Original
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Article 5.4.1 says that no heat treatment is required except b. Is this correct? GB/T22652-2019Related Threads in This Forum
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Translated at 2026-07-26 14:08:41
Original: https://bbs.hcbbs.com/thread-2947343-1-1.html
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