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БДС 4994:1971

Jan 1, 1971

General information

90.93     Feb 22, 2023

BDS

ТК-66

Pure national standard

91.060.40     91.140.90  

Bulgarian  

Изменения в Бюлетин 10/74,1/84, 2/98

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БДС 4994:1971
90.93 Standard confirmed
Feb 22, 2023