Prezentul standard se refer? la protejarea mecanic? a izola?iei conductelor metalice ?ngropate prev?zute cu protec?ie catodic? la subtravers?ri de ape ?i la trecerea prin pere?ii c?minelor, in vederea realiz?rii unei separ?ri electrice optime ?ntre con
STAS 7335/6-1980 history
1980STAS 7335/6-1980 Corrosion protection of burried metal constructions PROTECTION OF PIPES AT WATER UNDERCOSSINGS AND AT PASSES THROUGH MANHOLES