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Database: 189760 (25 Oct 2025)
GB 18421-2001
Chinese Standard: 'GB 18421-2001'
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Related Standard
GB 18421-2001
English
139
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Days<=2
Marine biological quality
GB 18421-2001
Valid
GB 18421-2001
SIMILAR
unprotected-true-PDFs:
GB/T 14848-2017
GB 3095-2012
GB 3838-2002
GB 3097-1997
GB/T 6920-1986