Prezentul standard stabile?te condi?iile tehnice de calitate ale tiparelor metalice destinate turn?rii elementelor prefabricate de beton, beton armat ?i beton precomprimat.
STAS 7721-1990 history
1990STAS 7721-1990 Metallil stencils for concrete, reinforced concrete and prestressed concrete prefabricated units quality technical requirements