Registration number (WIID)Project No.TitleStatus
62235ISO/NP 18355Ruby — Specification and test methodsIzstrādē
62236ISO/NP 18357Sapphire — Specification and test methodsIzstrādē
62237ISO/NP 18358Spinel — Specification and test methodsIzstrādē
62238ISO/NP 18359Topaz — Specification and test methodsIzstrādē
62239ISO/NP 18360Tourmaline — Specification and test methodsIzstrādē
62240ISO/NP 18361Turquoise — Specification and test methodsIzstrādē
67068ISO/NP 20110Jewellery — Coloured stones — Determination natural colored stones from synthetics, imitations, treated and assembled stonesIzstrādē
67069ISO/NP 20111Jewellery — Diamonds — Determination natural diamonds from synthetic, imitation, treated and assembled diamondsIzstrādē
71215ISO/NP 21598Jewelry — Diamond identification (Specification and test methods)Izstrādē
71216ISO/NP 21599Jewellery — Turquoise — Identification (Specification and test methods)Izstrādē
Displaying 81-90 of 104 results.