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Database: 189760 (18 Oct 2025)
HG/T 21530-2005
Chinese Standard: 'HG/T 21530-2005'
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Standard Title (Description)
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Related Standard
HG/T 21530-2005
English
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Days<=9
Neck flat welding flanges with hand holes
HG/T 21530-2005
Obsolete
HG/T 21530-2005
SIMILAR
unprotected-true-PDFs:
GB/T 29465-2023
GB/T 45132-2025
GB/T 7996-2020