Bulgarian Institute for Standardization
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БДС 11450:1981

Jan 1, 1981

General information

90.93     Feb 25, 2022

90.20    Feb 25, 2027

BDS

ТК-80

Pure national standard

37.100.99  

Bulgarian  

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БДС 11450:1973

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БДС 11450:1981
90.93 Standard confirmed
Feb 25, 2022