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Database: 189759 (19 Oct 2025)
GB 12523-1990
Chinese Standard: 'GB 12523-1990'
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Related Standard
GB 12523-1990
English
199
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Days<=2
Noise limits for construction site
GB 12523-1990
Obsolete
GB 12523-1990
SIMILAR
unprotected-true-PDFs:
GB 14554-1993
GB 18599-2020
GB 37822-2019