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БДС 5773:1974

Reinforced concrete ring for reinforced concrete lid for outsideststreet water pipe and canalisation shafts and equipment

Jan 1, 1974

General information

90.60     Mar 17, 2022

BDS

ТК-5

Pure national standard

91.100.30     93.025     93.030  

Bulgarian  

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БДС 5773:1965

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БДС 5773:1974
90.60 Close of review
Mar 17, 2022