Thermoplastics piping systems for soil and waste discharge inside buildings - Test method for airtightness of joints (ISO 13255:2010); German and English version prEN ISO 13255:2017
Thermoplastics piping systems for soil and waste discharge inside buildings - Test method for airtightness of joints (ISO 13255:2010); German version EN ISO 13255:2017— 10 стр.