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Database: 189760 (25 Oct 2025)
GB 957-1976
Chinese Standard: 'GB 957-1976'
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Related Standard
GB 957-1976
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199
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Days<=2
(Spring washer. Technical conditions)
GB 957-1976
Obsolete
GB 957-1976
SIMILAR
unprotected-true-PDFs:
GB/T 801-2021
GB/T 798-2021
GB/T 794-2021
GB/T 5267.2-2021
GB/T 3098.15-2023