STAS 185/4-1990 Sanitary, central heating, ventilating and natural gas installations. Domestic and heating appliances and air inlets. Graphical symbols
1 Obiect ?i domeniu de aplicare
1.1 Prezentul standard stabile?te semnele conven?ionale pentru reprezentarea obiectelor de uz gospod?resc, corpurilor de ?nc?lzire ?i gurilor de aer, din instala?ii sanitare, de ?nc?lzire central?, de ventilare ?i de g
STAS 185/4-1990 history
1990STAS 185/4-1990 Sanitary, central heating, ventilating and natural gas installations. Domestic and heating appliances and air inlets. Graphical symbols