Textiles. Dyestuffs. Part 2. General method for the determination of extractable dyestuffs including allergenic and carcinogenic dyestuffs (method using pyridine-water)
Flanges for valves and fittings, connecting parts and pipelines for PN from 0,1 to 20 MPa (from 1 to 200kgf/cm2). Types. Connecting dimensions and dimensions of sealing surfaces
