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Bulgarian Institute for Standardization
Standards – always a step ahead

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Phone: +359 2 8174 523, +359 2 8174 504
E-mail: info@bds-bg.org
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БДС 3971-11:1991

First Publication Date: Jan 1, 1991

General information

Current stage: 90.60 Effective date: Oct 14, 2022

Originator: BDS

Owner: ТК-64

Type: Pure national standard

ICS: 29.220.20

Languages: Bulgarian

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Status: Published

PDF - BGN 7.80

Paper - BGN 8.20

CD - BGN 8.20

PDF and Paper - BGN 11.70

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PREVIOUSLY

WITHDRAWN
БДС 3973:1969

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PUBLISHED
БДС 3971-11:1991
90.60 Close of review
Oct 14, 2022