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DIN 3389-2:2021-02

Действует
Ready-made insulated joint - Part 2: Insulating couplings for gas distribution and transportation - Requirements and tests — 22 стр.
ICS
91.140.40 Gas. Including gas meters in buildings / Системы газоснабжения
29.080.99 Other standards related to insulation / Изоляция, прочие аспекты