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DIN EN 1917:2003-04

Действует
Concrete manholes and inspection chambers, unreinforced, steel fibre and reinforced; German version EN 1917:2002 — 78 стр.
Concrete manholes and inspection chambers, unreinforced, steel fibre and reinforced; German version EN 1917:2002, Corrigendum to DIN EN 1917:2003-04; German version EN 1917:2002/AC:2008 — 8 стр.