DIN EN 13491:2016-08

Отменен

Geosynthetic barriers - Characteristics required for use as a fluid barrier in the construction of tunnels and associated underground structures; German and English version prEN 13491:2016

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На этот документ ссылаются

DIN EN 16668:2016-11

Отменен

Industrial valves - Requirements and testing for metallic valves as pressure accessories; German version EN 16668:2016 — 48 стр.

DIN EN 13491:2018-07

Действует

Geosynthetic barriers - Characteristics required for use in the construction of tunnels and associated underground structures; German version EN 13491:2018 — 68 стр.