1.1. Prezentul standard se refer? la protec?ia catodic? prin deranj electric a construc?iilor metalice ?ngropate, aflate sub influen?a curen?ilor de dispersie, genera?i de diverse surse de curent continuu (instala?ii de trac?iune electric? ?i cuve
STAS 7335/10-1977 history
1977STAS 7335/10-1977 Anticorrosive protection UNDERGROUND METAL CONSTRUCTIONS Cathodic protection by electric drainage Specifica tions