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Database: 189760 (18 Oct 2025)
SJ 2820-1987
Chinese Standard: 'SJ 2820-1987'
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Related Standard
SJ 2820-1987
English
179
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Days<=2
Cross recesses for screws
SJ 2820-1987
Obsolete
SJ 2820-1987
SIMILAR
unprotected-true-PDFs:
GB/T 41203-2021
GB/T 4184-2021
SJ/T 11364-2024